Home / 144,197.85-216,260.33-42,972.56

Finding the Fourth Proportional to 144,197.85, 216,260.33 and 42,972.56

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Solution

The fourth proportional to 144,197.85, 216,260.33 and 42,972.56 is: 64,447.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,197.85 : 216,260.33 = 42,972.56 : x
  2. Step 2: Convert to fraction form
    144,197.85/216,260.33 = 42,972.56/x
  3. Step 3: Cross multiply
    144,197.85x = 216,260.33 × 42,972.56
  4. Step 4: Simplify right side
    144,197.85x = 9,293,259,763.08
  5. Step 5: Solve for x
    x = 9,293,259,763.08/144,197.85
  6. Step 6: Final answer
    x = 64,447.98

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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.