Home / 134,386.96-201,705.16-67,873.78

Finding the Fourth Proportional to 134,386.96, 201,705.16 and 67,873.78

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Solution

The fourth proportional to 134,386.96, 201,705.16 and 67,873.78 is: 101,873.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,386.96 : 201,705.16 = 67,873.78 : x
  2. Step 2: Convert to fraction form
    134,386.96/201,705.16 = 67,873.78/x
  3. Step 3: Cross multiply
    134,386.96x = 201,705.16 × 67,873.78
  4. Step 4: Simplify right side
    134,386.96x = 13,690,491,654.70
  5. Step 5: Solve for x
    x = 13,690,491,654.70/134,386.96
  6. Step 6: Final answer
    x = 101,873.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.