Home / 91,372.84-137,024.70-38,807.08

Finding the Fourth Proportional to 91,372.84, 137,024.70 and 38,807.08

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Solution

The fourth proportional to 91,372.84, 137,024.70 and 38,807.08 is: 58,195.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,372.84 : 137,024.70 = 38,807.08 : x
  2. Step 2: Convert to fraction form
    91,372.84/137,024.70 = 38,807.08/x
  3. Step 3: Cross multiply
    91,372.84x = 137,024.70 × 38,807.08
  4. Step 4: Simplify right side
    91,372.84x = 5,317,528,494.88
  5. Step 5: Solve for x
    x = 5,317,528,494.88/91,372.84
  6. Step 6: Final answer
    x = 58,195.94

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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.