Home / 126,013.38-173,923.65-72,334.68

Finding the Fourth Proportional to 126,013.38, 173,923.65 and 72,334.68

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Solution

The fourth proportional to 126,013.38, 173,923.65 and 72,334.68 is: 99,836.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,013.38 : 173,923.65 = 72,334.68 : x
  2. Step 2: Convert to fraction form
    126,013.38/173,923.65 = 72,334.68/x
  3. Step 3: Cross multiply
    126,013.38x = 173,923.65 × 72,334.68
  4. Step 4: Simplify right side
    126,013.38x = 12,580,711,567.18
  5. Step 5: Solve for x
    x = 12,580,711,567.18/126,013.38
  6. Step 6: Final answer
    x = 99,836.32

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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.