Home / 126,363.20-174,318.20-75,339.94

Finding the Fourth Proportional to 126,363.20, 174,318.20 and 75,339.94

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Solution

The fourth proportional to 126,363.20, 174,318.20 and 75,339.94 is: 103,931.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,363.20 : 174,318.20 = 75,339.94 : x
  2. Step 2: Convert to fraction form
    126,363.20/174,318.20 = 75,339.94/x
  3. Step 3: Cross multiply
    126,363.20x = 174,318.20 × 75,339.94
  4. Step 4: Simplify right side
    126,363.20x = 13,133,122,728.91
  5. Step 5: Solve for x
    x = 13,133,122,728.91/126,363.20
  6. Step 6: Final answer
    x = 103,931.55

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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.