Home / 91,601.13-137,409.90-25,041.61

Finding the Fourth Proportional to 91,601.13, 137,409.90 and 25,041.61

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Solution

The fourth proportional to 91,601.13, 137,409.90 and 25,041.61 is: 37,564.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,601.13 : 137,409.90 = 25,041.61 : x
  2. Step 2: Convert to fraction form
    91,601.13/137,409.90 = 25,041.61/x
  3. Step 3: Cross multiply
    91,601.13x = 137,409.90 × 25,041.61
  4. Step 4: Simplify right side
    91,601.13x = 3,440,965,125.94
  5. Step 5: Solve for x
    x = 3,440,965,125.94/91,601.13
  6. Step 6: Final answer
    x = 37,564.66

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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.