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Finding the Fourth Proportional to 178,068.88, 266,925.66 and 89,050.60

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Solution

The fourth proportional to 178,068.88, 266,925.66 and 89,050.60 is: 133,487.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,068.88 : 266,925.66 = 89,050.60 : x
  2. Step 2: Convert to fraction form
    178,068.88/266,925.66 = 89,050.60/x
  3. Step 3: Cross multiply
    178,068.88x = 266,925.66 × 89,050.60
  4. Step 4: Simplify right side
    178,068.88x = 23,769,890,178.40
  5. Step 5: Solve for x
    x = 23,769,890,178.40/178,068.88
  6. Step 6: Final answer
    x = 133,487.05

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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.