Home / 126,946.80-175,246.20-79,270.20

Finding the Fourth Proportional to 126,946.80, 175,246.20 and 79,270.20

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Solution

The fourth proportional to 126,946.80, 175,246.20 and 79,270.20 is: 109,430.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,946.80 : 175,246.20 = 79,270.20 : x
  2. Step 2: Convert to fraction form
    126,946.80/175,246.20 = 79,270.20/x
  3. Step 3: Cross multiply
    126,946.80x = 175,246.20 × 79,270.20
  4. Step 4: Simplify right side
    126,946.80x = 13,891,801,323.24
  5. Step 5: Solve for x
    x = 13,891,801,323.24/126,946.80
  6. Step 6: Final answer
    x = 109,430.10

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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.