Home / 174,449.40-261,981.30-135,102.20

Finding the Fourth Proportional to 174,449.40, 261,981.30 and 135,102.20

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Solution

The fourth proportional to 174,449.40, 261,981.30 and 135,102.20 is: 202,891.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,449.40 : 261,981.30 = 135,102.20 : x
  2. Step 2: Convert to fraction form
    174,449.40/261,981.30 = 135,102.20/x
  3. Step 3: Cross multiply
    174,449.40x = 261,981.30 × 135,102.20
  4. Step 4: Simplify right side
    174,449.40x = 35,394,249,988.86
  5. Step 5: Solve for x
    x = 35,394,249,988.86/174,449.40
  6. Step 6: Final answer
    x = 202,891.21

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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.