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Finding the Fourth Proportional to 150,585.78, 207,773.52 and 90,133.45

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Solution

The fourth proportional to 150,585.78, 207,773.52 and 90,133.45 is: 124,363.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,585.78 : 207,773.52 = 90,133.45 : x
  2. Step 2: Convert to fraction form
    150,585.78/207,773.52 = 90,133.45/x
  3. Step 3: Cross multiply
    150,585.78x = 207,773.52 × 90,133.45
  4. Step 4: Simplify right side
    150,585.78x = 18,727,344,176.24
  5. Step 5: Solve for x
    x = 18,727,344,176.24/150,585.78
  6. Step 6: Final answer
    x = 124,363.30

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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.