Home / 91,432.38-126,202.05-53,199.31

Finding the Fourth Proportional to 91,432.38, 126,202.05 and 53,199.31

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Solution

The fourth proportional to 91,432.38, 126,202.05 and 53,199.31 is: 73,429.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,432.38 : 126,202.05 = 53,199.31 : x
  2. Step 2: Convert to fraction form
    91,432.38/126,202.05 = 53,199.31/x
  3. Step 3: Cross multiply
    91,432.38x = 126,202.05 × 53,199.31
  4. Step 4: Simplify right side
    91,432.38x = 6,713,861,714.59
  5. Step 5: Solve for x
    x = 6,713,861,714.59/91,432.38
  6. Step 6: Final answer
    x = 73,429.81

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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.