Home / 150,279.13-207,385.20-83,211.13

Finding the Fourth Proportional to 150,279.13, 207,385.20 and 83,211.13

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Solution

The fourth proportional to 150,279.13, 207,385.20 and 83,211.13 is: 114,831.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,279.13 : 207,385.20 = 83,211.13 : x
  2. Step 2: Convert to fraction form
    150,279.13/207,385.20 = 83,211.13/x
  3. Step 3: Cross multiply
    150,279.13x = 207,385.20 × 83,211.13
  4. Step 4: Simplify right side
    150,279.13x = 17,256,755,384.29
  5. Step 5: Solve for x
    x = 17,256,755,384.29/150,279.13
  6. Step 6: Final answer
    x = 114,831.35

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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.