Home / 91,338.12-137,084.94-35,973

Finding the Fourth Proportional to 91,338.12, 137,084.94 and 35,973

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Solution

The fourth proportional to 91,338.12, 137,084.94 and 35,973 is: 53,990.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,338.12 : 137,084.94 = 35,973 : x
  2. Step 2: Convert to fraction form
    91,338.12/137,084.94 = 35,973/x
  3. Step 3: Cross multiply
    91,338.12x = 137,084.94 × 35,973
  4. Step 4: Simplify right side
    91,338.12x = 4,931,356,546.62
  5. Step 5: Solve for x
    x = 4,931,356,546.62/91,338.12
  6. Step 6: Final answer
    x = 53,990.13

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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.