Home / 126,392.40-174,432.96-69,822

Finding the Fourth Proportional to 126,392.40, 174,432.96 and 69,822

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Solution

The fourth proportional to 126,392.40, 174,432.96 and 69,822 is: 96,360.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,392.40 : 174,432.96 = 69,822 : x
  2. Step 2: Convert to fraction form
    126,392.40/174,432.96 = 69,822/x
  3. Step 3: Cross multiply
    126,392.40x = 174,432.96 × 69,822
  4. Step 4: Simplify right side
    126,392.40x = 12,179,258,133.12
  5. Step 5: Solve for x
    x = 12,179,258,133.12/126,392.40
  6. Step 6: Final answer
    x = 96,360.68

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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.