Home / 155,195.83-232,675.71-80,268.20

Finding the Fourth Proportional to 155,195.83, 232,675.71 and 80,268.20

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Solution

The fourth proportional to 155,195.83, 232,675.71 and 80,268.20 is: 120,341.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,195.83 : 232,675.71 = 80,268.20 : x
  2. Step 2: Convert to fraction form
    155,195.83/232,675.71 = 80,268.20/x
  3. Step 3: Cross multiply
    155,195.83x = 232,675.71 × 80,268.20
  4. Step 4: Simplify right side
    155,195.83x = 18,676,459,833.57
  5. Step 5: Solve for x
    x = 18,676,459,833.57/155,195.83
  6. Step 6: Final answer
    x = 120,341.25

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1.5x scale

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.