Home / 91,937.40-137,903.36-25,381.59

Finding the Fourth Proportional to 91,937.40, 137,903.36 and 25,381.59

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Solution

The fourth proportional to 91,937.40, 137,903.36 and 25,381.59 is: 38,071.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,937.40 : 137,903.36 = 25,381.59 : x
  2. Step 2: Convert to fraction form
    91,937.40/137,903.36 = 25,381.59/x
  3. Step 3: Cross multiply
    91,937.40x = 137,903.36 × 25,381.59
  4. Step 4: Simplify right side
    91,937.40x = 3,500,206,416.23
  5. Step 5: Solve for x
    x = 3,500,206,416.23/91,937.40
  6. Step 6: Final answer
    x = 38,071.63

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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.