Home / 91,749.13-137,623.91-25,190.17

Finding the Fourth Proportional to 91,749.13, 137,623.91 and 25,190.17

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Solution

The fourth proportional to 91,749.13, 137,623.91 and 25,190.17 is: 37,785.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,749.13 : 137,623.91 = 25,190.17 : x
  2. Step 2: Convert to fraction form
    91,749.13/137,623.91 = 25,190.17/x
  3. Step 3: Cross multiply
    91,749.13x = 137,623.91 × 25,190.17
  4. Step 4: Simplify right side
    91,749.13x = 3,466,769,688.96
  5. Step 5: Solve for x
    x = 3,466,769,688.96/91,749.13
  6. Step 6: Final answer
    x = 37,785.31

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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.