Home / 144,001.81-198,727.27-78,594.21

Finding the Fourth Proportional to 144,001.81, 198,727.27 and 78,594.21

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Solution

The fourth proportional to 144,001.81, 198,727.27 and 78,594.21 is: 108,462.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,001.81 : 198,727.27 = 78,594.21 : x
  2. Step 2: Convert to fraction form
    144,001.81/198,727.27 = 78,594.21/x
  3. Step 3: Cross multiply
    144,001.81x = 198,727.27 × 78,594.21
  4. Step 4: Simplify right side
    144,001.81x = 15,618,812,791.11
  5. Step 5: Solve for x
    x = 15,618,812,791.11/144,001.81
  6. Step 6: Final answer
    x = 108,462.61

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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.