Home / 108,892.20-150,294.98-78,346.92

Finding the Fourth Proportional to 108,892.20, 150,294.98 and 78,346.92

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Solution

The fourth proportional to 108,892.20, 150,294.98 and 78,346.92 is: 108,135.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,892.20 : 150,294.98 = 78,346.92 : x
  2. Step 2: Convert to fraction form
    108,892.20/150,294.98 = 78,346.92/x
  3. Step 3: Cross multiply
    108,892.20x = 150,294.98 × 78,346.92
  4. Step 4: Simplify right side
    108,892.20x = 11,775,148,774.46
  5. Step 5: Solve for x
    x = 11,775,148,774.46/108,892.20
  6. Step 6: Final answer
    x = 108,135.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.