Home / 94,212.60-141,318.90-89,619.90

Finding the Fourth Proportional to 94,212.60, 141,318.90 and 89,619.90

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Solution

The fourth proportional to 94,212.60, 141,318.90 and 89,619.90 is: 134,429.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,212.60 : 141,318.90 = 89,619.90 : x
  2. Step 2: Convert to fraction form
    94,212.60/141,318.90 = 89,619.90/x
  3. Step 3: Cross multiply
    94,212.60x = 141,318.90 × 89,619.90
  4. Step 4: Simplify right side
    94,212.60x = 12,664,985,686.11
  5. Step 5: Solve for x
    x = 12,664,985,686.11/94,212.60
  6. Step 6: Final answer
    x = 134,429.85

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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.