Home / 131,577.60-197,366.40-89,587.20

Finding the Fourth Proportional to 131,577.60, 197,366.40 and 89,587.20

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Solution

The fourth proportional to 131,577.60, 197,366.40 and 89,587.20 is: 134,380.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,577.60 : 197,366.40 = 89,587.20 : x
  2. Step 2: Convert to fraction form
    131,577.60/197,366.40 = 89,587.20/x
  3. Step 3: Cross multiply
    131,577.60x = 197,366.40 × 89,587.20
  4. Step 4: Simplify right side
    131,577.60x = 17,681,503,150.08
  5. Step 5: Solve for x
    x = 17,681,503,150.08/131,577.60
  6. Step 6: Final answer
    x = 134,380.80

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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.