Home / 91,437.17-137,164.97-34,496.78

Finding the Fourth Proportional to 91,437.17, 137,164.97 and 34,496.78

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Solution

The fourth proportional to 91,437.17, 137,164.97 and 34,496.78 is: 51,748.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,437.17 : 137,164.97 = 34,496.78 : x
  2. Step 2: Convert to fraction form
    91,437.17/137,164.97 = 34,496.78/x
  3. Step 3: Cross multiply
    91,437.17x = 137,164.97 × 34,496.78
  4. Step 4: Simplify right side
    91,437.17x = 4,731,750,222.95
  5. Step 5: Solve for x
    x = 4,731,750,222.95/91,437.17
  6. Step 6: Final answer
    x = 51,748.65

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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.