Home / 91,488.90-137,233.38-60,316.86

Finding the Fourth Proportional to 91,488.90, 137,233.38 and 60,316.86

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Solution

The fourth proportional to 91,488.90, 137,233.38 and 60,316.86 is: 90,475.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,488.90 : 137,233.38 = 60,316.86 : x
  2. Step 2: Convert to fraction form
    91,488.90/137,233.38 = 60,316.86/x
  3. Step 3: Cross multiply
    91,488.90x = 137,233.38 × 60,316.86
  4. Step 4: Simplify right side
    91,488.90x = 8,277,486,568.79
  5. Step 5: Solve for x
    x = 8,277,486,568.79/91,488.90
  6. Step 6: Final answer
    x = 90,475.31

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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.