Home / 126,299.13-174,288.45-75,285.55

Finding the Fourth Proportional to 126,299.13, 174,288.45 and 75,285.55

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Solution

The fourth proportional to 126,299.13, 174,288.45 and 75,285.55 is: 103,891.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,299.13 : 174,288.45 = 75,285.55 : x
  2. Step 2: Convert to fraction form
    126,299.13/174,288.45 = 75,285.55/x
  3. Step 3: Cross multiply
    126,299.13x = 174,288.45 × 75,285.55
  4. Step 4: Simplify right side
    126,299.13x = 13,121,402,317.08
  5. Step 5: Solve for x
    x = 13,121,402,317.08/126,299.13
  6. Step 6: Final answer
    x = 103,891.47

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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.