Home / 272,545.38-408,819.93-104,020.26

Finding the Fourth Proportional to 272,545.38, 408,819.93 and 104,020.26

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Solution

The fourth proportional to 272,545.38, 408,819.93 and 104,020.26 is: 156,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,545.38 : 408,819.93 = 104,020.26 : x
  2. Step 2: Convert to fraction form
    272,545.38/408,819.93 = 104,020.26/x
  3. Step 3: Cross multiply
    272,545.38x = 408,819.93 × 104,020.26
  4. Step 4: Simplify right side
    272,545.38x = 42,525,555,411.78
  5. Step 5: Solve for x
    x = 42,525,555,411.78/272,545.38
  6. Step 6: Final answer
    x = 156,031.10

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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.