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Finding the Fourth Proportional to 186,068.67, 279,060.96 and 52,945.98

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Solution

The fourth proportional to 186,068.67, 279,060.96 and 52,945.98 is: 79,407.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,068.67 : 279,060.96 = 52,945.98 : x
  2. Step 2: Convert to fraction form
    186,068.67/279,060.96 = 52,945.98/x
  3. Step 3: Cross multiply
    186,068.67x = 279,060.96 × 52,945.98
  4. Step 4: Simplify right side
    186,068.67x = 14,775,156,006.94
  5. Step 5: Solve for x
    x = 14,775,156,006.94/186,068.67
  6. Step 6: Final answer
    x = 79,407.01

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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.