Home / 155,489.10-233,233.65-71,249.10

Finding the Fourth Proportional to 155,489.10, 233,233.65 and 71,249.10

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Solution

The fourth proportional to 155,489.10, 233,233.65 and 71,249.10 is: 106,873.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,489.10 : 233,233.65 = 71,249.10 : x
  2. Step 2: Convert to fraction form
    155,489.10/233,233.65 = 71,249.10/x
  3. Step 3: Cross multiply
    155,489.10x = 233,233.65 × 71,249.10
  4. Step 4: Simplify right side
    155,489.10x = 16,617,687,652.22
  5. Step 5: Solve for x
    x = 16,617,687,652.22/155,489.10
  6. Step 6: Final answer
    x = 106,873.65

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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.