Home / 126,842.08-175,052.04-70,258.72

Finding the Fourth Proportional to 126,842.08, 175,052.04 and 70,258.72

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Solution

The fourth proportional to 126,842.08, 175,052.04 and 70,258.72 is: 96,962.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,842.08 : 175,052.04 = 70,258.72 : x
  2. Step 2: Convert to fraction form
    126,842.08/175,052.04 = 70,258.72/x
  3. Step 3: Cross multiply
    126,842.08x = 175,052.04 × 70,258.72
  4. Step 4: Simplify right side
    126,842.08x = 12,298,932,263.79
  5. Step 5: Solve for x
    x = 12,298,932,263.79/126,842.08
  6. Step 6: Final answer
    x = 96,962.56

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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.