Home / 126,828.72-175,014-70,238.88

Finding the Fourth Proportional to 126,828.72, 175,014 and 70,238.88

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Solution

The fourth proportional to 126,828.72, 175,014 and 70,238.88 is: 96,924.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,828.72 : 175,014 = 70,238.88 : x
  2. Step 2: Convert to fraction form
    126,828.72/175,014 = 70,238.88/x
  3. Step 3: Cross multiply
    126,828.72x = 175,014 × 70,238.88
  4. Step 4: Simplify right side
    126,828.72x = 12,292,787,344.32
  5. Step 5: Solve for x
    x = 12,292,787,344.32/126,828.72
  6. Step 6: Final answer
    x = 96,924.32

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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.