Home / 127,311.12-175,689.44-69,954.12

Finding the Fourth Proportional to 127,311.12, 175,689.44 and 69,954.12

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Solution

The fourth proportional to 127,311.12, 175,689.44 and 69,954.12 is: 96,536.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,311.12 : 175,689.44 = 69,954.12 : x
  2. Step 2: Convert to fraction form
    127,311.12/175,689.44 = 69,954.12/x
  3. Step 3: Cross multiply
    127,311.12x = 175,689.44 × 69,954.12
  4. Step 4: Simplify right side
    127,311.12x = 12,290,200,168.49
  5. Step 5: Solve for x
    x = 12,290,200,168.49/127,311.12
  6. Step 6: Final answer
    x = 96,536.74

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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.