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Finding the Fourth Proportional to 165,077.88, 247,715.19 and 59,905.05

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Solution

The fourth proportional to 165,077.88, 247,715.19 and 59,905.05 is: 89,893.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,077.88 : 247,715.19 = 59,905.05 : x
  2. Step 2: Convert to fraction form
    165,077.88/247,715.19 = 59,905.05/x
  3. Step 3: Cross multiply
    165,077.88x = 247,715.19 × 59,905.05
  4. Step 4: Simplify right side
    165,077.88x = 14,839,390,842.71
  5. Step 5: Solve for x
    x = 14,839,390,842.71/165,077.88
  6. Step 6: Final answer
    x = 89,893.27

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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.