Home / 144,716.85-216,994.01-99,175.95

Finding the Fourth Proportional to 144,716.85, 216,994.01 and 99,175.95

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Solution

The fourth proportional to 144,716.85, 216,994.01 and 99,175.95 is: 148,708.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,716.85 : 216,994.01 = 99,175.95 : x
  2. Step 2: Convert to fraction form
    144,716.85/216,994.01 = 99,175.95/x
  3. Step 3: Cross multiply
    144,716.85x = 216,994.01 × 99,175.95
  4. Step 4: Simplify right side
    144,716.85x = 21,520,586,590.18
  5. Step 5: Solve for x
    x = 21,520,586,590.18/144,716.85
  6. Step 6: Final answer
    x = 148,708.23

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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.