Home / 144,065.14-198,801.80-80,407.04

Finding the Fourth Proportional to 144,065.14, 198,801.80 and 80,407.04

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Solution

The fourth proportional to 144,065.14, 198,801.80 and 80,407.04 is: 110,957.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,065.14 : 198,801.80 = 80,407.04 : x
  2. Step 2: Convert to fraction form
    144,065.14/198,801.80 = 80,407.04/x
  3. Step 3: Cross multiply
    144,065.14x = 198,801.80 × 80,407.04
  4. Step 4: Simplify right side
    144,065.14x = 15,985,064,284.67
  5. Step 5: Solve for x
    x = 15,985,064,284.67/144,065.14
  6. Step 6: Final answer
    x = 110,957.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.