Home / 127,145.28-175,464.12-70,560.30

Finding the Fourth Proportional to 127,145.28, 175,464.12 and 70,560.30

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Solution

The fourth proportional to 127,145.28, 175,464.12 and 70,560.30 is: 97,375.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,145.28 : 175,464.12 = 70,560.30 : x
  2. Step 2: Convert to fraction form
    127,145.28/175,464.12 = 70,560.30/x
  3. Step 3: Cross multiply
    127,145.28x = 175,464.12 × 70,560.30
  4. Step 4: Simplify right side
    127,145.28x = 12,380,800,946.44
  5. Step 5: Solve for x
    x = 12,380,800,946.44/127,145.28
  6. Step 6: Final answer
    x = 97,375.23

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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.