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Finding the Fourth Proportional to 158,862.60, 237,930.98 and 75,814.92

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Solution

The fourth proportional to 158,862.60, 237,930.98 and 75,814.92 is: 113,549.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,862.60 : 237,930.98 = 75,814.92 : x
  2. Step 2: Convert to fraction form
    158,862.60/237,930.98 = 75,814.92/x
  3. Step 3: Cross multiply
    158,862.60x = 237,930.98 × 75,814.92
  4. Step 4: Simplify right side
    158,862.60x = 18,038,718,214.22
  5. Step 5: Solve for x
    x = 18,038,718,214.22/158,862.60
  6. Step 6: Final answer
    x = 113,549.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.