Home / 143,976.06-198,712.71-93,051.90

Finding the Fourth Proportional to 143,976.06, 198,712.71 and 93,051.90

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Solution

The fourth proportional to 143,976.06, 198,712.71 and 93,051.90 is: 128,428.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,976.06 : 198,712.71 = 93,051.90 : x
  2. Step 2: Convert to fraction form
    143,976.06/198,712.71 = 93,051.90/x
  3. Step 3: Cross multiply
    143,976.06x = 198,712.71 × 93,051.90
  4. Step 4: Simplify right side
    143,976.06x = 18,490,595,219.65
  5. Step 5: Solve for x
    x = 18,490,595,219.65/143,976.06
  6. Step 6: Final answer
    x = 128,428.26

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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.