Home / 144,829.80-217,259.70-39,648.78

Finding the Fourth Proportional to 144,829.80, 217,259.70 and 39,648.78

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Solution

The fourth proportional to 144,829.80, 217,259.70 and 39,648.78 is: 59,477.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,829.80 : 217,259.70 = 39,648.78 : x
  2. Step 2: Convert to fraction form
    144,829.80/217,259.70 = 39,648.78/x
  3. Step 3: Cross multiply
    144,829.80x = 217,259.70 × 39,648.78
  4. Step 4: Simplify right side
    144,829.80x = 8,614,082,048.17
  5. Step 5: Solve for x
    x = 8,614,082,048.17/144,829.80
  6. Step 6: Final answer
    x = 59,477.28

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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.