Home / 131,529.60-197,294.40-89,539.20

Finding the Fourth Proportional to 131,529.60, 197,294.40 and 89,539.20

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Solution

The fourth proportional to 131,529.60, 197,294.40 and 89,539.20 is: 134,308.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,529.60 : 197,294.40 = 89,539.20 : x
  2. Step 2: Convert to fraction form
    131,529.60/197,294.40 = 89,539.20/x
  3. Step 3: Cross multiply
    131,529.60x = 197,294.40 × 89,539.20
  4. Step 4: Simplify right side
    131,529.60x = 17,665,582,740.48
  5. Step 5: Solve for x
    x = 17,665,582,740.48/131,529.60
  6. Step 6: Final answer
    x = 134,308.80

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1.5x scale

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.