Home / 87,662.40-131,493.60-70,166.40

Finding the Fourth Proportional to 87,662.40, 131,493.60 and 70,166.40

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Solution

The fourth proportional to 87,662.40, 131,493.60 and 70,166.40 is: 105,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,662.40 : 131,493.60 = 70,166.40 : x
  2. Step 2: Convert to fraction form
    87,662.40/131,493.60 = 70,166.40/x
  3. Step 3: Cross multiply
    87,662.40x = 131,493.60 × 70,166.40
  4. Step 4: Simplify right side
    87,662.40x = 9,226,432,535.04
  5. Step 5: Solve for x
    x = 9,226,432,535.04/87,662.40
  6. Step 6: Final answer
    x = 105,249.60

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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.