Home / 126,009.30-173,890.89-69,422.70

Finding the Fourth Proportional to 126,009.30, 173,890.89 and 69,422.70

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Solution

The fourth proportional to 126,009.30, 173,890.89 and 69,422.70 is: 95,802.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,009.30 : 173,890.89 = 69,422.70 : x
  2. Step 2: Convert to fraction form
    126,009.30/173,890.89 = 69,422.70/x
  3. Step 3: Cross multiply
    126,009.30x = 173,890.89 × 69,422.70
  4. Step 4: Simplify right side
    126,009.30x = 12,071,975,089.20
  5. Step 5: Solve for x
    x = 12,071,975,089.20/126,009.30
  6. Step 6: Final answer
    x = 95,802.25

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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.