Home / 161,657.12-223,179.36-108,032.96

Finding the Fourth Proportional to 161,657.12, 223,179.36 and 108,032.96

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Solution

The fourth proportional to 161,657.12, 223,179.36 and 108,032.96 is: 149,147.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,657.12 : 223,179.36 = 108,032.96 : x
  2. Step 2: Convert to fraction form
    161,657.12/223,179.36 = 108,032.96/x
  3. Step 3: Cross multiply
    161,657.12x = 223,179.36 × 108,032.96
  4. Step 4: Simplify right side
    161,657.12x = 24,110,726,871.71
  5. Step 5: Solve for x
    x = 24,110,726,871.71/161,657.12
  6. Step 6: Final answer
    x = 149,147.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.