Home / 117,089.60-175,634.15-90,474.29

Finding the Fourth Proportional to 117,089.60, 175,634.15 and 90,474.29

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Solution

The fourth proportional to 117,089.60, 175,634.15 and 90,474.29 is: 135,711.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,089.60 : 175,634.15 = 90,474.29 : x
  2. Step 2: Convert to fraction form
    117,089.60/175,634.15 = 90,474.29/x
  3. Step 3: Cross multiply
    117,089.60x = 175,634.15 × 90,474.29
  4. Step 4: Simplify right side
    117,089.60x = 15,890,373,690.46
  5. Step 5: Solve for x
    x = 15,890,373,690.46/117,089.60
  6. Step 6: Final answer
    x = 135,711.24

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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.