Home / 126,282.78-174,269.88-69,693.75

Finding the Fourth Proportional to 126,282.78, 174,269.88 and 69,693.75

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Solution

The fourth proportional to 126,282.78, 174,269.88 and 69,693.75 is: 96,177.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,282.78 : 174,269.88 = 69,693.75 : x
  2. Step 2: Convert to fraction form
    126,282.78/174,269.88 = 69,693.75/x
  3. Step 3: Cross multiply
    126,282.78x = 174,269.88 × 69,693.75
  4. Step 4: Simplify right side
    126,282.78x = 12,145,521,449.25
  5. Step 5: Solve for x
    x = 12,145,521,449.25/126,282.78
  6. Step 6: Final answer
    x = 96,177.18

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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.