Home / 126,909.52-175,088.80-75,923.72

Finding the Fourth Proportional to 126,909.52, 175,088.80 and 75,923.72

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Solution

The fourth proportional to 126,909.52, 175,088.80 and 75,923.72 is: 104,747.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,909.52 : 175,088.80 = 75,923.72 : x
  2. Step 2: Convert to fraction form
    126,909.52/175,088.80 = 75,923.72/x
  3. Step 3: Cross multiply
    126,909.52x = 175,088.80 × 75,923.72
  4. Step 4: Simplify right side
    126,909.52x = 13,293,393,026.34
  5. Step 5: Solve for x
    x = 13,293,393,026.34/126,909.52
  6. Step 6: Final answer
    x = 104,747.01

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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.