Home / 225,607.18-311,337.92-125,005.18

Finding the Fourth Proportional to 225,607.18, 311,337.92 and 125,005.18

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Solution

The fourth proportional to 225,607.18, 311,337.92 and 125,005.18 is: 172,507.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,607.18 : 311,337.92 = 125,005.18 : x
  2. Step 2: Convert to fraction form
    225,607.18/311,337.92 = 125,005.18/x
  3. Step 3: Cross multiply
    225,607.18x = 311,337.92 × 125,005.18
  4. Step 4: Simplify right side
    225,607.18x = 38,918,852,730.43
  5. Step 5: Solve for x
    x = 38,918,852,730.43/225,607.18
  6. Step 6: Final answer
    x = 172,507.15

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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.