Home / 129,080.06-193,629.84-35,585

Finding the Fourth Proportional to 129,080.06, 193,629.84 and 35,585

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Solution

The fourth proportional to 129,080.06, 193,629.84 and 35,585 is: 53,380.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,080.06 : 193,629.84 = 35,585 : x
  2. Step 2: Convert to fraction form
    129,080.06/193,629.84 = 35,585/x
  3. Step 3: Cross multiply
    129,080.06x = 193,629.84 × 35,585
  4. Step 4: Simplify right side
    129,080.06x = 6,890,317,856.40
  5. Step 5: Solve for x
    x = 6,890,317,856.40/129,080.06
  6. Step 6: Final answer
    x = 53,380.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.