Home / 126,861.04-175,067.76-70,271.20

Finding the Fourth Proportional to 126,861.04, 175,067.76 and 70,271.20

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Solution

The fourth proportional to 126,861.04, 175,067.76 and 70,271.20 is: 96,973.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,861.04 : 175,067.76 = 70,271.20 : x
  2. Step 2: Convert to fraction form
    126,861.04/175,067.76 = 70,271.20/x
  3. Step 3: Cross multiply
    126,861.04x = 175,067.76 × 70,271.20
  4. Step 4: Simplify right side
    126,861.04x = 12,302,221,576.51
  5. Step 5: Solve for x
    x = 12,302,221,576.51/126,861.04
  6. Step 6: Final answer
    x = 96,973.99

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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.