Home / 94,647.60-141,971.40-80,575.20

Finding the Fourth Proportional to 94,647.60, 141,971.40 and 80,575.20

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Solution

The fourth proportional to 94,647.60, 141,971.40 and 80,575.20 is: 120,862.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,647.60 : 141,971.40 = 80,575.20 : x
  2. Step 2: Convert to fraction form
    94,647.60/141,971.40 = 80,575.20/x
  3. Step 3: Cross multiply
    94,647.60x = 141,971.40 × 80,575.20
  4. Step 4: Simplify right side
    94,647.60x = 11,439,373,949.28
  5. Step 5: Solve for x
    x = 11,439,373,949.28/94,647.60
  6. Step 6: Final answer
    x = 120,862.80

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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.