Home / 91,938.98-126,881.20-69,237.92

Finding the Fourth Proportional to 91,938.98, 126,881.20 and 69,237.92

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Solution

The fourth proportional to 91,938.98, 126,881.20 and 69,237.92 is: 95,552.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,938.98 : 126,881.20 = 69,237.92 : x
  2. Step 2: Convert to fraction form
    91,938.98/126,881.20 = 69,237.92/x
  3. Step 3: Cross multiply
    91,938.98x = 126,881.20 × 69,237.92
  4. Step 4: Simplify right side
    91,938.98x = 8,784,990,375.10
  5. Step 5: Solve for x
    x = 8,784,990,375.10/91,938.98
  6. Step 6: Final answer
    x = 95,552.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.