Home / 165,810.22-248,691.04-81,547.73

Finding the Fourth Proportional to 165,810.22, 248,691.04 and 81,547.73

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Solution

The fourth proportional to 165,810.22, 248,691.04 and 81,547.73 is: 122,309.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,810.22 : 248,691.04 = 81,547.73 : x
  2. Step 2: Convert to fraction form
    165,810.22/248,691.04 = 81,547.73/x
  3. Step 3: Cross multiply
    165,810.22x = 248,691.04 × 81,547.73
  4. Step 4: Simplify right side
    165,810.22x = 20,280,189,727.31
  5. Step 5: Solve for x
    x = 20,280,189,727.31/165,810.22
  6. Step 6: Final answer
    x = 122,309.65

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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.