Home / 153,041.80-229,562.70-135,983.20

Finding the Fourth Proportional to 153,041.80, 229,562.70 and 135,983.20

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Solution

The fourth proportional to 153,041.80, 229,562.70 and 135,983.20 is: 203,974.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,041.80 : 229,562.70 = 135,983.20 : x
  2. Step 2: Convert to fraction form
    153,041.80/229,562.70 = 135,983.20/x
  3. Step 3: Cross multiply
    153,041.80x = 229,562.70 × 135,983.20
  4. Step 4: Simplify right side
    153,041.80x = 31,216,670,546.64
  5. Step 5: Solve for x
    x = 31,216,670,546.64/153,041.80
  6. Step 6: Final answer
    x = 203,974.80

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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.