Home / 130,545.28-180,151.86-73,956.52

Finding the Fourth Proportional to 130,545.28, 180,151.86 and 73,956.52

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Solution

The fourth proportional to 130,545.28, 180,151.86 and 73,956.52 is: 102,059.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,545.28 : 180,151.86 = 73,956.52 : x
  2. Step 2: Convert to fraction form
    130,545.28/180,151.86 = 73,956.52/x
  3. Step 3: Cross multiply
    130,545.28x = 180,151.86 × 73,956.52
  4. Step 4: Simplify right side
    130,545.28x = 13,323,404,637.13
  5. Step 5: Solve for x
    x = 13,323,404,637.13/130,545.28
  6. Step 6: Final answer
    x = 102,059.64

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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.