Home / 275,545.03-413,332.94-86,031.57

Finding the Fourth Proportional to 275,545.03, 413,332.94 and 86,031.57

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Solution

The fourth proportional to 275,545.03, 413,332.94 and 86,031.57 is: 129,052.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,545.03 : 413,332.94 = 86,031.57 : x
  2. Step 2: Convert to fraction form
    275,545.03/413,332.94 = 86,031.57/x
  3. Step 3: Cross multiply
    275,545.03x = 413,332.94 × 86,031.57
  4. Step 4: Simplify right side
    275,545.03x = 35,559,680,838.05
  5. Step 5: Solve for x
    x = 35,559,680,838.05/275,545.03
  6. Step 6: Final answer
    x = 129,052.16

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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.