Home / 135,833.10-187,440.66-75,400.76

Finding the Fourth Proportional to 135,833.10, 187,440.66 and 75,400.76

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Solution

The fourth proportional to 135,833.10, 187,440.66 and 75,400.76 is: 104,048.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,833.10 : 187,440.66 = 75,400.76 : x
  2. Step 2: Convert to fraction form
    135,833.10/187,440.66 = 75,400.76/x
  3. Step 3: Cross multiply
    135,833.10x = 187,440.66 × 75,400.76
  4. Step 4: Simplify right side
    135,833.10x = 14,133,167,281.70
  5. Step 5: Solve for x
    x = 14,133,167,281.70/135,833.10
  6. Step 6: Final answer
    x = 104,048.04

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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.