Home / 126,825.13-174,975.24-72,338.14

Finding the Fourth Proportional to 126,825.13, 174,975.24 and 72,338.14

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Solution

The fourth proportional to 126,825.13, 174,975.24 and 72,338.14 is: 99,801.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,825.13 : 174,975.24 = 72,338.14 : x
  2. Step 2: Convert to fraction form
    126,825.13/174,975.24 = 72,338.14/x
  3. Step 3: Cross multiply
    126,825.13x = 174,975.24 × 72,338.14
  4. Step 4: Simplify right side
    126,825.13x = 12,657,383,407.65
  5. Step 5: Solve for x
    x = 12,657,383,407.65/126,825.13
  6. Step 6: Final answer
    x = 99,801.86

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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.