Home / 155,763.08-214,947.92-98,433.04

Finding the Fourth Proportional to 155,763.08, 214,947.92 and 98,433.04

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Solution

The fourth proportional to 155,763.08, 214,947.92 and 98,433.04 is: 135,834.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,763.08 : 214,947.92 = 98,433.04 : x
  2. Step 2: Convert to fraction form
    155,763.08/214,947.92 = 98,433.04/x
  3. Step 3: Cross multiply
    155,763.08x = 214,947.92 × 98,433.04
  4. Step 4: Simplify right side
    155,763.08x = 21,157,977,207.28
  5. Step 5: Solve for x
    x = 21,157,977,207.28/155,763.08
  6. Step 6: Final answer
    x = 135,834.35

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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.