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Finding the Fourth Proportional to 119,079.61, 178,635.26 and 62,922.02

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Solution

The fourth proportional to 119,079.61, 178,635.26 and 62,922.02 is: 94,391.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,079.61 : 178,635.26 = 62,922.02 : x
  2. Step 2: Convert to fraction form
    119,079.61/178,635.26 = 62,922.02/x
  3. Step 3: Cross multiply
    119,079.61x = 178,635.26 × 62,922.02
  4. Step 4: Simplify right side
    119,079.61x = 11,240,090,666.55
  5. Step 5: Solve for x
    x = 11,240,090,666.55/119,079.61
  6. Step 6: Final answer
    x = 94,391.40

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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.