Home / 92,716.08-137,881.28-89,763.60

Finding the Fourth Proportional to 92,716.08, 137,881.28 and 89,763.60

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Solution

The fourth proportional to 92,716.08, 137,881.28 and 89,763.60 is: 133,490.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,716.08 : 137,881.28 = 89,763.60 : x
  2. Step 2: Convert to fraction form
    92,716.08/137,881.28 = 89,763.60/x
  3. Step 3: Cross multiply
    92,716.08x = 137,881.28 × 89,763.60
  4. Step 4: Simplify right side
    92,716.08x = 12,376,720,065.41
  5. Step 5: Solve for x
    x = 12,376,720,065.41/92,716.08
  6. Step 6: Final answer
    x = 133,490.55

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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.