Home / 135,545.38-187,053.71-75,117.02

Finding the Fourth Proportional to 135,545.38, 187,053.71 and 75,117.02

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Solution

The fourth proportional to 135,545.38, 187,053.71 and 75,117.02 is: 103,662.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,545.38 : 187,053.71 = 75,117.02 : x
  2. Step 2: Convert to fraction form
    135,545.38/187,053.71 = 75,117.02/x
  3. Step 3: Cross multiply
    135,545.38x = 187,053.71 × 75,117.02
  4. Step 4: Simplify right side
    135,545.38x = 14,050,915,964.29
  5. Step 5: Solve for x
    x = 14,050,915,964.29/135,545.38
  6. Step 6: Final answer
    x = 103,662.08

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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.