Home / 127,401.30-175,815.76-70,043.11

Finding the Fourth Proportional to 127,401.30, 175,815.76 and 70,043.11

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Solution

The fourth proportional to 127,401.30, 175,815.76 and 70,043.11 is: 96,660.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,401.30 : 175,815.76 = 70,043.11 : x
  2. Step 2: Convert to fraction form
    127,401.30/175,815.76 = 70,043.11/x
  3. Step 3: Cross multiply
    127,401.30x = 175,815.76 × 70,043.11
  4. Step 4: Simplify right side
    127,401.30x = 12,314,681,738.33
  5. Step 5: Solve for x
    x = 12,314,681,738.33/127,401.30
  6. Step 6: Final answer
    x = 96,660.57

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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.