Home / 126,272.81-174,251.90-69,682.97

Finding the Fourth Proportional to 126,272.81, 174,251.90 and 69,682.97

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Solution

The fourth proportional to 126,272.81, 174,251.90 and 69,682.97 is: 96,159.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,272.81 : 174,251.90 = 69,682.97 : x
  2. Step 2: Convert to fraction form
    126,272.81/174,251.90 = 69,682.97/x
  3. Step 3: Cross multiply
    126,272.81x = 174,251.90 × 69,682.97
  4. Step 4: Simplify right side
    126,272.81x = 12,142,388,700.47
  5. Step 5: Solve for x
    x = 12,142,388,700.47/126,272.81
  6. Step 6: Final answer
    x = 96,159.97

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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.