Home / 144,869.80-217,563.90-140,204.20

Finding the Fourth Proportional to 144,869.80, 217,563.90 and 140,204.20

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Solution

The fourth proportional to 144,869.80, 217,563.90 and 140,204.20 is: 210,557.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,869.80 : 217,563.90 = 140,204.20 : x
  2. Step 2: Convert to fraction form
    144,869.80/217,563.90 = 140,204.20/x
  3. Step 3: Cross multiply
    144,869.80x = 217,563.90 × 140,204.20
  4. Step 4: Simplify right side
    144,869.80x = 30,503,372,548.38
  5. Step 5: Solve for x
    x = 30,503,372,548.38/144,869.80
  6. Step 6: Final answer
    x = 210,557.15

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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.