Home / 144,055.67-198,810.05-79,536.43

Finding the Fourth Proportional to 144,055.67, 198,810.05 and 79,536.43

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Solution

The fourth proportional to 144,055.67, 198,810.05 and 79,536.43 is: 109,767.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,055.67 : 198,810.05 = 79,536.43 : x
  2. Step 2: Convert to fraction form
    144,055.67/198,810.05 = 79,536.43/x
  3. Step 3: Cross multiply
    144,055.67x = 198,810.05 × 79,536.43
  4. Step 4: Simplify right side
    144,055.67x = 15,812,641,475.95
  5. Step 5: Solve for x
    x = 15,812,641,475.95/144,055.67
  6. Step 6: Final answer
    x = 109,767.58

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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.