Home / 144,830.42-216,791.21-99,587.77

Finding the Fourth Proportional to 144,830.42, 216,791.21 and 99,587.77

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Solution

The fourth proportional to 144,830.42, 216,791.21 and 99,587.77 is: 149,069.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,830.42 : 216,791.21 = 99,587.77 : x
  2. Step 2: Convert to fraction form
    144,830.42/216,791.21 = 99,587.77/x
  3. Step 3: Cross multiply
    144,830.42x = 216,791.21 × 99,587.77
  4. Step 4: Simplify right side
    144,830.42x = 21,589,753,159.50
  5. Step 5: Solve for x
    x = 21,589,753,159.50/144,830.42
  6. Step 6: Final answer
    x = 149,069.19

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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.