Home / 91,432.87-126,182.54-51,148.33

Finding the Fourth Proportional to 91,432.87, 126,182.54 and 51,148.33

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Solution

The fourth proportional to 91,432.87, 126,182.54 and 51,148.33 is: 70,587.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,432.87 : 126,182.54 = 51,148.33 : x
  2. Step 2: Convert to fraction form
    91,432.87/126,182.54 = 51,148.33/x
  3. Step 3: Cross multiply
    91,432.87x = 126,182.54 × 51,148.33
  4. Step 4: Simplify right side
    91,432.87x = 6,454,026,008.57
  5. Step 5: Solve for x
    x = 6,454,026,008.57/91,432.87
  6. Step 6: Final answer
    x = 70,587.59

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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.