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Finding the Fourth Proportional to 158,423.52, 237,487.62 and 79,445.46

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Solution

The fourth proportional to 158,423.52, 237,487.62 and 79,445.46 is: 119,094.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,423.52 : 237,487.62 = 79,445.46 : x
  2. Step 2: Convert to fraction form
    158,423.52/237,487.62 = 79,445.46/x
  3. Step 3: Cross multiply
    158,423.52x = 237,487.62 × 79,445.46
  4. Step 4: Simplify right side
    158,423.52x = 18,867,313,215.21
  5. Step 5: Solve for x
    x = 18,867,313,215.21/158,423.52
  6. Step 6: Final answer
    x = 119,094.14

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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.