Home / 127,213.11-175,546.23-69,852.20

Finding the Fourth Proportional to 127,213.11, 175,546.23 and 69,852.20

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Solution

The fourth proportional to 127,213.11, 175,546.23 and 69,852.20 is: 96,391.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,213.11 : 175,546.23 = 69,852.20 : x
  2. Step 2: Convert to fraction form
    127,213.11/175,546.23 = 69,852.20/x
  3. Step 3: Cross multiply
    127,213.11x = 175,546.23 × 69,852.20
  4. Step 4: Simplify right side
    127,213.11x = 12,262,290,017.95
  5. Step 5: Solve for x
    x = 12,262,290,017.95/127,213.11
  6. Step 6: Final answer
    x = 96,391.72

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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.