Home / 126,875.28-175,073.76-70,272.48

Finding the Fourth Proportional to 126,875.28, 175,073.76 and 70,272.48

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Solution

The fourth proportional to 126,875.28, 175,073.76 and 70,272.48 is: 96,968.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,875.28 : 175,073.76 = 70,272.48 : x
  2. Step 2: Convert to fraction form
    126,875.28/175,073.76 = 70,272.48/x
  3. Step 3: Cross multiply
    126,875.28x = 175,073.76 × 70,272.48
  4. Step 4: Simplify right side
    126,875.28x = 12,302,867,298.12
  5. Step 5: Solve for x
    x = 12,302,867,298.12/126,875.28
  6. Step 6: Final answer
    x = 96,968.20

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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.