Home / 250,305.15-345,419.06-135,581.13

Finding the Fourth Proportional to 250,305.15, 345,419.06 and 135,581.13

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Solution

The fourth proportional to 250,305.15, 345,419.06 and 135,581.13 is: 187,100.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,305.15 : 345,419.06 = 135,581.13 : x
  2. Step 2: Convert to fraction form
    250,305.15/345,419.06 = 135,581.13/x
  3. Step 3: Cross multiply
    250,305.15x = 345,419.06 × 135,581.13
  4. Step 4: Simplify right side
    250,305.15x = 46,832,306,478.34
  5. Step 5: Solve for x
    x = 46,832,306,478.34/250,305.15
  6. Step 6: Final answer
    x = 187,100.85

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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.