Home / 130,487.17-180,066.85-73,898.55

Finding the Fourth Proportional to 130,487.17, 180,066.85 and 73,898.55

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Solution

The fourth proportional to 130,487.17, 180,066.85 and 73,898.55 is: 101,976.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,487.17 : 180,066.85 = 73,898.55 : x
  2. Step 2: Convert to fraction form
    130,487.17/180,066.85 = 73,898.55/x
  3. Step 3: Cross multiply
    130,487.17x = 180,066.85 × 73,898.55
  4. Step 4: Simplify right side
    130,487.17x = 13,306,678,673.75
  5. Step 5: Solve for x
    x = 13,306,678,673.75/130,487.17
  6. Step 6: Final answer
    x = 101,976.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.