Home / 127,197.72-175,524.06-70,604.64

Finding the Fourth Proportional to 127,197.72, 175,524.06 and 70,604.64

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Solution

The fourth proportional to 127,197.72, 175,524.06 and 70,604.64 is: 97,429.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,197.72 : 175,524.06 = 70,604.64 : x
  2. Step 2: Convert to fraction form
    127,197.72/175,524.06 = 70,604.64/x
  3. Step 3: Cross multiply
    127,197.72x = 175,524.06 × 70,604.64
  4. Step 4: Simplify right side
    127,197.72x = 12,392,813,067.64
  5. Step 5: Solve for x
    x = 12,392,813,067.64/127,197.72
  6. Step 6: Final answer
    x = 97,429.52

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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.