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Finding the Fourth Proportional to 158,537.80, 237,605.10 and 64,937.80

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Solution

The fourth proportional to 158,537.80, 237,605.10 and 64,937.80 is: 97,324.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,537.80 : 237,605.10 = 64,937.80 : x
  2. Step 2: Convert to fraction form
    158,537.80/237,605.10 = 64,937.80/x
  3. Step 3: Cross multiply
    158,537.80x = 237,605.10 × 64,937.80
  4. Step 4: Simplify right side
    158,537.80x = 15,429,552,462.78
  5. Step 5: Solve for x
    x = 15,429,552,462.78/158,537.80
  6. Step 6: Final answer
    x = 97,324.12

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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.