Home / 153,132.51-229,557.29-82,104.56

Finding the Fourth Proportional to 153,132.51, 229,557.29 and 82,104.56

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Solution

The fourth proportional to 153,132.51, 229,557.29 and 82,104.56 is: 123,080.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,132.51 : 229,557.29 = 82,104.56 : x
  2. Step 2: Convert to fraction form
    153,132.51/229,557.29 = 82,104.56/x
  3. Step 3: Cross multiply
    153,132.51x = 229,557.29 × 82,104.56
  4. Step 4: Simplify right side
    153,132.51x = 18,847,698,731.93
  5. Step 5: Solve for x
    x = 18,847,698,731.93/153,132.51
  6. Step 6: Final answer
    x = 123,080.98

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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.