Home / 227,152.85-313,471.38-136,510.20

Finding the Fourth Proportional to 227,152.85, 313,471.38 and 136,510.20

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Solution

The fourth proportional to 227,152.85, 313,471.38 and 136,510.20 is: 188,384.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,152.85 : 313,471.38 = 136,510.20 : x
  2. Step 2: Convert to fraction form
    227,152.85/313,471.38 = 136,510.20/x
  3. Step 3: Cross multiply
    227,152.85x = 313,471.38 × 136,510.20
  4. Step 4: Simplify right side
    227,152.85x = 42,792,040,778.08
  5. Step 5: Solve for x
    x = 42,792,040,778.08/227,152.85
  6. Step 6: Final answer
    x = 188,384.35

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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.