Home / 94,008.40-141,012.60-89,861.20

Finding the Fourth Proportional to 94,008.40, 141,012.60 and 89,861.20

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Solution

The fourth proportional to 94,008.40, 141,012.60 and 89,861.20 is: 134,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,008.40 : 141,012.60 = 89,861.20 : x
  2. Step 2: Convert to fraction form
    94,008.40/141,012.60 = 89,861.20/x
  3. Step 3: Cross multiply
    94,008.40x = 141,012.60 × 89,861.20
  4. Step 4: Simplify right side
    94,008.40x = 12,671,561,451.12
  5. Step 5: Solve for x
    x = 12,671,561,451.12/94,008.40
  6. Step 6: Final answer
    x = 134,791.80

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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.