Home / 91,544.76-137,339.06-38,207.08

Finding the Fourth Proportional to 91,544.76, 137,339.06 and 38,207.08

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Solution

The fourth proportional to 91,544.76, 137,339.06 and 38,207.08 is: 57,319.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,544.76 : 137,339.06 = 38,207.08 : x
  2. Step 2: Convert to fraction form
    91,544.76/137,339.06 = 38,207.08/x
  3. Step 3: Cross multiply
    91,544.76x = 137,339.06 × 38,207.08
  4. Step 4: Simplify right side
    91,544.76x = 5,247,324,452.54
  5. Step 5: Solve for x
    x = 5,247,324,452.54/91,544.76
  6. Step 6: Final answer
    x = 57,319.77

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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.