Home / 91,431.46-137,158.17-32,254.93

Finding the Fourth Proportional to 91,431.46, 137,158.17 and 32,254.93

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Solution

The fourth proportional to 91,431.46, 137,158.17 and 32,254.93 is: 48,386.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,431.46 : 137,158.17 = 32,254.93 : x
  2. Step 2: Convert to fraction form
    91,431.46/137,158.17 = 32,254.93/x
  3. Step 3: Cross multiply
    91,431.46x = 137,158.17 × 32,254.93
  4. Step 4: Simplify right side
    91,431.46x = 4,424,027,172.28
  5. Step 5: Solve for x
    x = 4,424,027,172.28/91,431.46
  6. Step 6: Final answer
    x = 48,386.27

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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.