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Finding the Fourth Proportional to 150,463.77, 207,642.32 and 90,036.96

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Solution

The fourth proportional to 150,463.77, 207,642.32 and 90,036.96 is: 124,252.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,463.77 : 207,642.32 = 90,036.96 : x
  2. Step 2: Convert to fraction form
    150,463.77/207,642.32 = 90,036.96/x
  3. Step 3: Cross multiply
    150,463.77x = 207,642.32 × 90,036.96
  4. Step 4: Simplify right side
    150,463.77x = 18,695,483,260.15
  5. Step 5: Solve for x
    x = 18,695,483,260.15/150,463.77
  6. Step 6: Final answer
    x = 124,252.39

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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.