Home / 150,146.32-207,169.04-89,707.92

Finding the Fourth Proportional to 150,146.32, 207,169.04 and 89,707.92

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Solution

The fourth proportional to 150,146.32, 207,169.04 and 89,707.92 is: 123,777.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,146.32 : 207,169.04 = 89,707.92 : x
  2. Step 2: Convert to fraction form
    150,146.32/207,169.04 = 89,707.92/x
  3. Step 3: Cross multiply
    150,146.32x = 207,169.04 × 89,707.92
  4. Step 4: Simplify right side
    150,146.32x = 18,584,703,666.80
  5. Step 5: Solve for x
    x = 18,584,703,666.80/150,146.32
  6. Step 6: Final answer
    x = 123,777.28

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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.