Home / 124,003.20-186,077.70-45,125.40

Finding the Fourth Proportional to 124,003.20, 186,077.70 and 45,125.40

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Solution

The fourth proportional to 124,003.20, 186,077.70 and 45,125.40 is: 67,714.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,003.20 : 186,077.70 = 45,125.40 : x
  2. Step 2: Convert to fraction form
    124,003.20/186,077.70 = 45,125.40/x
  3. Step 3: Cross multiply
    124,003.20x = 186,077.70 × 45,125.40
  4. Step 4: Simplify right side
    124,003.20x = 8,396,830,643.58
  5. Step 5: Solve for x
    x = 8,396,830,643.58/124,003.20
  6. Step 6: Final answer
    x = 67,714.63

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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.