Home / 107,557.70-161,336.55-82,723.10

Finding the Fourth Proportional to 107,557.70, 161,336.55 and 82,723.10

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Solution

The fourth proportional to 107,557.70, 161,336.55 and 82,723.10 is: 124,084.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,557.70 : 161,336.55 = 82,723.10 : x
  2. Step 2: Convert to fraction form
    107,557.70/161,336.55 = 82,723.10/x
  3. Step 3: Cross multiply
    107,557.70x = 161,336.55 × 82,723.10
  4. Step 4: Simplify right side
    107,557.70x = 13,346,259,559.31
  5. Step 5: Solve for x
    x = 13,346,259,559.31/107,557.70
  6. Step 6: Final answer
    x = 124,084.65

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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.