Home / 132,019.72-181,879.23-108,006.46

Finding the Fourth Proportional to 132,019.72, 181,879.23 and 108,006.46

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Solution

The fourth proportional to 132,019.72, 181,879.23 and 108,006.46 is: 148,796.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,019.72 : 181,879.23 = 108,006.46 : x
  2. Step 2: Convert to fraction form
    132,019.72/181,879.23 = 108,006.46/x
  3. Step 3: Cross multiply
    132,019.72x = 181,879.23 × 108,006.46
  4. Step 4: Simplify right side
    132,019.72x = 19,644,131,779.83
  5. Step 5: Solve for x
    x = 19,644,131,779.83/132,019.72
  6. Step 6: Final answer
    x = 148,796.95

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1.5x scale

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.