Home / 143,694.10-198,279.65-83,264.18

Finding the Fourth Proportional to 143,694.10, 198,279.65 and 83,264.18

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Solution

The fourth proportional to 143,694.10, 198,279.65 and 83,264.18 is: 114,894.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,694.10 : 198,279.65 = 83,264.18 : x
  2. Step 2: Convert to fraction form
    143,694.10/198,279.65 = 83,264.18/x
  3. Step 3: Cross multiply
    143,694.10x = 198,279.65 × 83,264.18
  4. Step 4: Simplify right side
    143,694.10x = 16,509,592,467.94
  5. Step 5: Solve for x
    x = 16,509,592,467.94/143,694.10
  6. Step 6: Final answer
    x = 114,894.02

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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.