Home / 91,474.20-126,191.70-59,219.19

Finding the Fourth Proportional to 91,474.20, 126,191.70 and 59,219.19

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Solution

The fourth proportional to 91,474.20, 126,191.70 and 59,219.19 is: 81,694.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,474.20 : 126,191.70 = 59,219.19 : x
  2. Step 2: Convert to fraction form
    91,474.20/126,191.70 = 59,219.19/x
  3. Step 3: Cross multiply
    91,474.20x = 126,191.70 × 59,219.19
  4. Step 4: Simplify right side
    91,474.20x = 7,472,970,258.72
  5. Step 5: Solve for x
    x = 7,472,970,258.72/91,474.20
  6. Step 6: Final answer
    x = 81,694.84

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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.