Home / 87,440.40-131,160.60-83,066.40

Finding the Fourth Proportional to 87,440.40, 131,160.60 and 83,066.40

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Solution

The fourth proportional to 87,440.40, 131,160.60 and 83,066.40 is: 124,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,440.40 : 131,160.60 = 83,066.40 : x
  2. Step 2: Convert to fraction form
    87,440.40/131,160.60 = 83,066.40/x
  3. Step 3: Cross multiply
    87,440.40x = 131,160.60 × 83,066.40
  4. Step 4: Simplify right side
    87,440.40x = 10,895,038,863.84
  5. Step 5: Solve for x
    x = 10,895,038,863.84/87,440.40
  6. Step 6: Final answer
    x = 124,599.60

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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.