Home / 126,930.28-175,162.02-73,215.40

Finding the Fourth Proportional to 126,930.28, 175,162.02 and 73,215.40

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Solution

The fourth proportional to 126,930.28, 175,162.02 and 73,215.40 is: 101,036.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,930.28 : 175,162.02 = 73,215.40 : x
  2. Step 2: Convert to fraction form
    126,930.28/175,162.02 = 73,215.40/x
  3. Step 3: Cross multiply
    126,930.28x = 175,162.02 × 73,215.40
  4. Step 4: Simplify right side
    126,930.28x = 12,824,557,359.11
  5. Step 5: Solve for x
    x = 12,824,557,359.11/126,930.28
  6. Step 6: Final answer
    x = 101,036.23

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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.