Home / 225,650.42-311,397.54-123,679.16

Finding the Fourth Proportional to 225,650.42, 311,397.54 and 123,679.16

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Solution

The fourth proportional to 225,650.42, 311,397.54 and 123,679.16 is: 170,677.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,650.42 : 311,397.54 = 123,679.16 : x
  2. Step 2: Convert to fraction form
    225,650.42/311,397.54 = 123,679.16/x
  3. Step 3: Cross multiply
    225,650.42x = 311,397.54 × 123,679.16
  4. Step 4: Simplify right side
    225,650.42x = 38,513,386,173.27
  5. Step 5: Solve for x
    x = 38,513,386,173.27/225,650.42
  6. Step 6: Final answer
    x = 170,677.22

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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.