Home / 124,295.20-186,151.20-84,637.60

Finding the Fourth Proportional to 124,295.20, 186,151.20 and 84,637.60

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Solution

The fourth proportional to 124,295.20, 186,151.20 and 84,637.60 is: 126,757.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,295.20 : 186,151.20 = 84,637.60 : x
  2. Step 2: Convert to fraction form
    124,295.20/186,151.20 = 84,637.60/x
  3. Step 3: Cross multiply
    124,295.20x = 186,151.20 × 84,637.60
  4. Step 4: Simplify right side
    124,295.20x = 15,755,390,805.12
  5. Step 5: Solve for x
    x = 15,755,390,805.12/124,295.20
  6. Step 6: Final answer
    x = 126,757.84

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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.