Home / 124,829.80-187,244.70-84,740.20

Finding the Fourth Proportional to 124,829.80, 187,244.70 and 84,740.20

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Solution

The fourth proportional to 124,829.80, 187,244.70 and 84,740.20 is: 127,110.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,829.80 : 187,244.70 = 84,740.20 : x
  2. Step 2: Convert to fraction form
    124,829.80/187,244.70 = 84,740.20/x
  3. Step 3: Cross multiply
    124,829.80x = 187,244.70 × 84,740.20
  4. Step 4: Simplify right side
    124,829.80x = 15,867,153,326.94
  5. Step 5: Solve for x
    x = 15,867,153,326.94/124,829.80
  6. Step 6: Final answer
    x = 127,110.30

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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.