Home / 234,038.56-322,974-126,609.04

Finding the Fourth Proportional to 234,038.56, 322,974 and 126,609.04

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Solution

The fourth proportional to 234,038.56, 322,974 and 126,609.04 is: 174,720.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,038.56 : 322,974 = 126,609.04 : x
  2. Step 2: Convert to fraction form
    234,038.56/322,974 = 126,609.04/x
  3. Step 3: Cross multiply
    234,038.56x = 322,974 × 126,609.04
  4. Step 4: Simplify right side
    234,038.56x = 40,891,428,084.96
  5. Step 5: Solve for x
    x = 40,891,428,084.96/234,038.56
  6. Step 6: Final answer
    x = 174,720.90

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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.