Home / 126,829.72-175,015.38-70,239.88

Finding the Fourth Proportional to 126,829.72, 175,015.38 and 70,239.88

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Solution

The fourth proportional to 126,829.72, 175,015.38 and 70,239.88 is: 96,925.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,829.72 : 175,015.38 = 70,239.88 : x
  2. Step 2: Convert to fraction form
    126,829.72/175,015.38 = 70,239.88/x
  3. Step 3: Cross multiply
    126,829.72x = 175,015.38 × 70,239.88
  4. Step 4: Simplify right side
    126,829.72x = 12,293,059,289.35
  5. Step 5: Solve for x
    x = 12,293,059,289.35/126,829.72
  6. Step 6: Final answer
    x = 96,925.70

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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.