Home / 153,380.40-229,992.73-115,079.28

Finding the Fourth Proportional to 153,380.40, 229,992.73 and 115,079.28

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Solution

The fourth proportional to 153,380.40, 229,992.73 and 115,079.28 is: 172,560.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,380.40 : 229,992.73 = 115,079.28 : x
  2. Step 2: Convert to fraction form
    153,380.40/229,992.73 = 115,079.28/x
  3. Step 3: Cross multiply
    153,380.40x = 229,992.73 × 115,079.28
  4. Step 4: Simplify right side
    153,380.40x = 26,467,398,564.49
  5. Step 5: Solve for x
    x = 26,467,398,564.49/153,380.40
  6. Step 6: Final answer
    x = 172,560.50

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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.