Home / 107,799.38-161,730.62-31,899.93

Finding the Fourth Proportional to 107,799.38, 161,730.62 and 31,899.93

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Solution

The fourth proportional to 107,799.38, 161,730.62 and 31,899.93 is: 47,859.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,799.38 : 161,730.62 = 31,899.93 : x
  2. Step 2: Convert to fraction form
    107,799.38/161,730.62 = 31,899.93/x
  3. Step 3: Cross multiply
    107,799.38x = 161,730.62 × 31,899.93
  4. Step 4: Simplify right side
    107,799.38x = 5,159,195,456.86
  5. Step 5: Solve for x
    x = 5,159,195,456.86/107,799.38
  6. Step 6: Final answer
    x = 47,859.23

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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.