Home / 91,789.04-137,685.08-25,228.76

Finding the Fourth Proportional to 91,789.04, 137,685.08 and 25,228.76

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Solution

The fourth proportional to 91,789.04, 137,685.08 and 25,228.76 is: 37,843.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,789.04 : 137,685.08 = 25,228.76 : x
  2. Step 2: Convert to fraction form
    91,789.04/137,685.08 = 25,228.76/x
  3. Step 3: Cross multiply
    91,789.04x = 137,685.08 × 25,228.76
  4. Step 4: Simplify right side
    91,789.04x = 3,473,623,838.90
  5. Step 5: Solve for x
    x = 3,473,623,838.90/91,789.04
  6. Step 6: Final answer
    x = 37,843.56

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1.5x scale

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.