Home / 227,157.12-313,490.52-125,182.31

Finding the Fourth Proportional to 227,157.12, 313,490.52 and 125,182.31

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Solution

The fourth proportional to 227,157.12, 313,490.52 and 125,182.31 is: 172,759.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,157.12 : 313,490.52 = 125,182.31 : x
  2. Step 2: Convert to fraction form
    227,157.12/313,490.52 = 125,182.31/x
  3. Step 3: Cross multiply
    227,157.12x = 313,490.52 × 125,182.31
  4. Step 4: Simplify right side
    227,157.12x = 39,243,465,889.25
  5. Step 5: Solve for x
    x = 39,243,465,889.25/227,157.12
  6. Step 6: Final answer
    x = 172,759.13

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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.