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Finding the Fourth Proportional to 91,356.19, 137,034.21 and 24,806.08

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Solution

The fourth proportional to 91,356.19, 137,034.21 and 24,806.08 is: 37,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,356.19 : 137,034.21 = 24,806.08 : x
  2. Step 2: Convert to fraction form
    91,356.19/137,034.21 = 24,806.08/x
  3. Step 3: Cross multiply
    91,356.19x = 137,034.21 × 24,806.08
  4. Step 4: Simplify right side
    91,356.19x = 3,399,281,233.41
  5. Step 5: Solve for x
    x = 3,399,281,233.41/91,356.19
  6. Step 6: Final answer
    x = 37,209.10

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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.