Home / 87,628.60-131,442.90-48,165.40

Finding the Fourth Proportional to 87,628.60, 131,442.90 and 48,165.40

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Solution

The fourth proportional to 87,628.60, 131,442.90 and 48,165.40 is: 72,248.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,628.60 : 131,442.90 = 48,165.40 : x
  2. Step 2: Convert to fraction form
    87,628.60/131,442.90 = 48,165.40/x
  3. Step 3: Cross multiply
    87,628.60x = 131,442.90 × 48,165.40
  4. Step 4: Simplify right side
    87,628.60x = 6,330,999,855.66
  5. Step 5: Solve for x
    x = 6,330,999,855.66/87,628.60
  6. Step 6: Final answer
    x = 72,248.10

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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.