Home / 150,168.23-207,211.69-89,726.10

Finding the Fourth Proportional to 150,168.23, 207,211.69 and 89,726.10

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Solution

The fourth proportional to 150,168.23, 207,211.69 and 89,726.10 is: 123,809.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,168.23 : 207,211.69 = 89,726.10 : x
  2. Step 2: Convert to fraction form
    150,168.23/207,211.69 = 89,726.10/x
  3. Step 3: Cross multiply
    150,168.23x = 207,211.69 × 89,726.10
  4. Step 4: Simplify right side
    150,168.23x = 18,592,296,818.11
  5. Step 5: Solve for x
    x = 18,592,296,818.11/150,168.23
  6. Step 6: Final answer
    x = 123,809.79

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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.