Home / 127,422.87-175,844.21-70,065.89

Finding the Fourth Proportional to 127,422.87, 175,844.21 and 70,065.89

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Solution

The fourth proportional to 127,422.87, 175,844.21 and 70,065.89 is: 96,691.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,422.87 : 175,844.21 = 70,065.89 : x
  2. Step 2: Convert to fraction form
    127,422.87/175,844.21 = 70,065.89/x
  3. Step 3: Cross multiply
    127,422.87x = 175,844.21 × 70,065.89
  4. Step 4: Simplify right side
    127,422.87x = 12,320,679,845.45
  5. Step 5: Solve for x
    x = 12,320,679,845.45/127,422.87
  6. Step 6: Final answer
    x = 96,691.28

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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.