Home / 107,441.28-161,161.70-28,555.50

Finding the Fourth Proportional to 107,441.28, 161,161.70 and 28,555.50

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Solution

The fourth proportional to 107,441.28, 161,161.70 and 28,555.50 is: 42,833.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,441.28 : 161,161.70 = 28,555.50 : x
  2. Step 2: Convert to fraction form
    107,441.28/161,161.70 = 28,555.50/x
  3. Step 3: Cross multiply
    107,441.28x = 161,161.70 × 28,555.50
  4. Step 4: Simplify right side
    107,441.28x = 4,602,052,781.57
  5. Step 5: Solve for x
    x = 4,602,052,781.57/107,441.28
  6. Step 6: Final answer
    x = 42,833.19

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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.