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Finding the Fourth Proportional to 131,950, 182,102.52 and 72,345.52

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Solution

The fourth proportional to 131,950, 182,102.52 and 72,345.52 is: 99,843.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,950 : 182,102.52 = 72,345.52 : x
  2. Step 2: Convert to fraction form
    131,950/182,102.52 = 72,345.52/x
  3. Step 3: Cross multiply
    131,950x = 182,102.52 × 72,345.52
  4. Step 4: Simplify right side
    131,950x = 13,174,301,502.71
  5. Step 5: Solve for x
    x = 13,174,301,502.71/131,950
  6. Step 6: Final answer
    x = 99,843.13

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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.