Home / 127,118.62-175,425.72-73,408.33

Finding the Fourth Proportional to 127,118.62, 175,425.72 and 73,408.33

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Solution

The fourth proportional to 127,118.62, 175,425.72 and 73,408.33 is: 101,304.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,118.62 : 175,425.72 = 73,408.33 : x
  2. Step 2: Convert to fraction form
    127,118.62/175,425.72 = 73,408.33/x
  3. Step 3: Cross multiply
    127,118.62x = 175,425.72 × 73,408.33
  4. Step 4: Simplify right side
    127,118.62x = 12,877,708,267.12
  5. Step 5: Solve for x
    x = 12,877,708,267.12/127,118.62
  6. Step 6: Final answer
    x = 101,304.66

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1.5x scale

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.