Home / 91,785.35-137,679.55-25,225.07

Finding the Fourth Proportional to 91,785.35, 137,679.55 and 25,225.07

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Solution

The fourth proportional to 91,785.35, 137,679.55 and 25,225.07 is: 37,838.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,785.35 : 137,679.55 = 25,225.07 : x
  2. Step 2: Convert to fraction form
    91,785.35/137,679.55 = 25,225.07/x
  3. Step 3: Cross multiply
    91,785.35x = 137,679.55 × 25,225.07
  4. Step 4: Simplify right side
    91,785.35x = 3,472,976,309.31
  5. Step 5: Solve for x
    x = 3,472,976,309.31/91,785.35
  6. Step 6: Final answer
    x = 37,838.02

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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.