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Finding the Fourth Proportional to 158,055, 237,082.72 and 64,560.74

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Solution

The fourth proportional to 158,055, 237,082.72 and 64,560.74 is: 96,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,055 : 237,082.72 = 64,560.74 : x
  2. Step 2: Convert to fraction form
    158,055/237,082.72 = 64,560.74/x
  3. Step 3: Cross multiply
    158,055x = 237,082.72 × 64,560.74
  4. Step 4: Simplify right side
    158,055x = 15,306,235,844.41
  5. Step 5: Solve for x
    x = 15,306,235,844.41/158,055
  6. Step 6: Final answer
    x = 96,841.20

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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.