Home / 150,168.26-207,211.70-89,726.13

Finding the Fourth Proportional to 150,168.26, 207,211.70 and 89,726.13

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Solution

The fourth proportional to 150,168.26, 207,211.70 and 89,726.13 is: 123,809.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,168.26 : 207,211.70 = 89,726.13 : x
  2. Step 2: Convert to fraction form
    150,168.26/207,211.70 = 89,726.13/x
  3. Step 3: Cross multiply
    150,168.26x = 207,211.70 × 89,726.13
  4. Step 4: Simplify right side
    150,168.26x = 18,592,304,156.04
  5. Step 5: Solve for x
    x = 18,592,304,156.04/150,168.26
  6. Step 6: Final answer
    x = 123,809.81

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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.