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Finding the Fourth Proportional to 109,482.59, 151,086.00 and 61,735.95

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Solution

The fourth proportional to 109,482.59, 151,086.00 and 61,735.95 is: 85,195.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,482.59 : 151,086.00 = 61,735.95 : x
  2. Step 2: Convert to fraction form
    109,482.59/151,086.00 = 61,735.95/x
  3. Step 3: Cross multiply
    109,482.59x = 151,086.00 × 61,735.95
  4. Step 4: Simplify right side
    109,482.59x = 9,327,437,114.20
  5. Step 5: Solve for x
    x = 9,327,437,114.20/109,482.59
  6. Step 6: Final answer
    x = 85,195.62

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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.