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Finding the Fourth Proportional to 191,875.70, 287,814.24 and 58,755.42

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Solution

The fourth proportional to 191,875.70, 287,814.24 and 58,755.42 is: 88,133.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,875.70 : 287,814.24 = 58,755.42 : x
  2. Step 2: Convert to fraction form
    191,875.70/287,814.24 = 58,755.42/x
  3. Step 3: Cross multiply
    191,875.70x = 287,814.24 × 58,755.42
  4. Step 4: Simplify right side
    191,875.70x = 16,910,646,553.18
  5. Step 5: Solve for x
    x = 16,910,646,553.18/191,875.70
  6. Step 6: Final answer
    x = 88,133.34

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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.