Home / 126,723.15-174,668.00-90,856.35

Finding the Fourth Proportional to 126,723.15, 174,668.00 and 90,856.35

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Solution

The fourth proportional to 126,723.15, 174,668.00 and 90,856.35 is: 125,231.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,723.15 : 174,668.00 = 90,856.35 : x
  2. Step 2: Convert to fraction form
    126,723.15/174,668.00 = 90,856.35/x
  3. Step 3: Cross multiply
    126,723.15x = 174,668.00 × 90,856.35
  4. Step 4: Simplify right side
    126,723.15x = 15,869,696,487.52
  5. Step 5: Solve for x
    x = 15,869,696,487.52/126,723.15
  6. Step 6: Final answer
    x = 125,231.23

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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.