Home / 153,042.30-229,563.45-135,983.70

Finding the Fourth Proportional to 153,042.30, 229,563.45 and 135,983.70

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Solution

The fourth proportional to 153,042.30, 229,563.45 and 135,983.70 is: 203,975.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,042.30 : 229,563.45 = 135,983.70 : x
  2. Step 2: Convert to fraction form
    153,042.30/229,563.45 = 135,983.70/x
  3. Step 3: Cross multiply
    153,042.30x = 229,563.45 × 135,983.70
  4. Step 4: Simplify right side
    153,042.30x = 31,216,887,315.77
  5. Step 5: Solve for x
    x = 31,216,887,315.77/153,042.30
  6. Step 6: Final answer
    x = 203,975.55

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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.