Home / 144,868.80-217,562.40-140,203.20

Finding the Fourth Proportional to 144,868.80, 217,562.40 and 140,203.20

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Solution

The fourth proportional to 144,868.80, 217,562.40 and 140,203.20 is: 210,555.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,868.80 : 217,562.40 = 140,203.20 : x
  2. Step 2: Convert to fraction form
    144,868.80/217,562.40 = 140,203.20/x
  3. Step 3: Cross multiply
    144,868.80x = 217,562.40 × 140,203.20
  4. Step 4: Simplify right side
    144,868.80x = 30,502,944,679.68
  5. Step 5: Solve for x
    x = 30,502,944,679.68/144,868.80
  6. Step 6: Final answer
    x = 210,555.65

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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.