Home / 92,672.86-137,817.09-89,720.41

Finding the Fourth Proportional to 92,672.86, 137,817.09 and 89,720.41

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Solution

The fourth proportional to 92,672.86, 137,817.09 and 89,720.41 is: 133,426.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,672.86 : 137,817.09 = 89,720.41 : x
  2. Step 2: Convert to fraction form
    92,672.86/137,817.09 = 89,720.41/x
  3. Step 3: Cross multiply
    92,672.86x = 137,817.09 × 89,720.41
  4. Step 4: Simplify right side
    92,672.86x = 12,365,005,819.81
  5. Step 5: Solve for x
    x = 12,365,005,819.81/92,672.86
  6. Step 6: Final answer
    x = 133,426.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.