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Finding the Fourth Proportional to 187,952, 259,349.92 and 103,046.72

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Solution

The fourth proportional to 187,952, 259,349.92 and 103,046.72 is: 142,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,952 : 259,349.92 = 103,046.72 : x
  2. Step 2: Convert to fraction form
    187,952/259,349.92 = 103,046.72/x
  3. Step 3: Cross multiply
    187,952x = 259,349.92 × 103,046.72
  4. Step 4: Simplify right side
    187,952x = 26,725,158,588.26
  5. Step 5: Solve for x
    x = 26,725,158,588.26/187,952
  6. Step 6: Final answer
    x = 142,191.40

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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.