Home / 143,869.90-215,821.05-44,029.30

Finding the Fourth Proportional to 143,869.90, 215,821.05 and 44,029.30

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Solution

The fourth proportional to 143,869.90, 215,821.05 and 44,029.30 is: 66,048.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,869.90 : 215,821.05 = 44,029.30 : x
  2. Step 2: Convert to fraction form
    143,869.90/215,821.05 = 44,029.30/x
  3. Step 3: Cross multiply
    143,869.90x = 215,821.05 × 44,029.30
  4. Step 4: Simplify right side
    143,869.90x = 9,502,449,756.77
  5. Step 5: Solve for x
    x = 9,502,449,756.77/143,869.90
  6. Step 6: Final answer
    x = 66,048.91

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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.