Home / 126,827.40-175,021.68-70,238.76

Finding the Fourth Proportional to 126,827.40, 175,021.68 and 70,238.76

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Solution

The fourth proportional to 126,827.40, 175,021.68 and 70,238.76 is: 96,929.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,827.40 : 175,021.68 = 70,238.76 : x
  2. Step 2: Convert to fraction form
    126,827.40/175,021.68 = 70,238.76/x
  3. Step 3: Cross multiply
    126,827.40x = 175,021.68 × 70,238.76
  4. Step 4: Simplify right side
    126,827.40x = 12,293,305,776.32
  5. Step 5: Solve for x
    x = 12,293,305,776.32/126,827.40
  6. Step 6: Final answer
    x = 96,929.42

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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.