Home / 124,400,116.80-186,600,175.20-79,162,459.20

Finding the Fourth Proportional to 124,400,116.80, 186,600,175.20 and 79,162,459.20

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Solution

The fourth proportional to 124,400,116.80, 186,600,175.20 and 79,162,459.20 is: 118,743,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,400,116.80 : 186,600,175.20 = 79,162,459.20 : x
  2. Step 2: Convert to fraction form
    124,400,116.80/186,600,175.20 = 79,162,459.20/x
  3. Step 3: Cross multiply
    124,400,116.80x = 186,600,175.20 × 79,162,459.20
  4. Step 4: Simplify right side
    124,400,116.80x = 14,771,728,755,982,852
  5. Step 5: Solve for x
    x = 14,771,728,755,982,852/124,400,116.80
  6. Step 6: Final answer
    x = 118,743,688.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.