Home / 227,085.62-313,376.69-125,108.72

Finding the Fourth Proportional to 227,085.62, 313,376.69 and 125,108.72

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Solution

The fourth proportional to 227,085.62, 313,376.69 and 125,108.72 is: 172,649.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,085.62 : 313,376.69 = 125,108.72 : x
  2. Step 2: Convert to fraction form
    227,085.62/313,376.69 = 125,108.72/x
  3. Step 3: Cross multiply
    227,085.62x = 313,376.69 × 125,108.72
  4. Step 4: Simplify right side
    227,085.62x = 39,206,154,371.31
  5. Step 5: Solve for x
    x = 39,206,154,371.31/227,085.62
  6. Step 6: Final answer
    x = 172,649.22

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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.