Home / 174,660.80-261,602.40-135,003.20

Finding the Fourth Proportional to 174,660.80, 261,602.40 and 135,003.20

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Solution

The fourth proportional to 174,660.80, 261,602.40 and 135,003.20 is: 202,204.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,660.80 : 261,602.40 = 135,003.20 : x
  2. Step 2: Convert to fraction form
    174,660.80/261,602.40 = 135,003.20/x
  3. Step 3: Cross multiply
    174,660.80x = 261,602.40 × 135,003.20
  4. Step 4: Simplify right side
    174,660.80x = 35,317,161,127.68
  5. Step 5: Solve for x
    x = 35,317,161,127.68/174,660.80
  6. Step 6: Final answer
    x = 202,204.28

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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.