Home / 126,818.91-175,041.54-73,136.16

Finding the Fourth Proportional to 126,818.91, 175,041.54 and 73,136.16

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Solution

The fourth proportional to 126,818.91, 175,041.54 and 73,136.16 is: 100,946.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,818.91 : 175,041.54 = 73,136.16 : x
  2. Step 2: Convert to fraction form
    126,818.91/175,041.54 = 73,136.16/x
  3. Step 3: Cross multiply
    126,818.91x = 175,041.54 × 73,136.16
  4. Step 4: Simplify right side
    126,818.91x = 12,801,866,076.09
  5. Step 5: Solve for x
    x = 12,801,866,076.09/126,818.91
  6. Step 6: Final answer
    x = 100,946.03

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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.