Home / 119,922.18-179,883.80-31,169.40

Finding the Fourth Proportional to 119,922.18, 179,883.80 and 31,169.40

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Solution

The fourth proportional to 119,922.18, 179,883.80 and 31,169.40 is: 46,754.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,922.18 : 179,883.80 = 31,169.40 : x
  2. Step 2: Convert to fraction form
    119,922.18/179,883.80 = 31,169.40/x
  3. Step 3: Cross multiply
    119,922.18x = 179,883.80 × 31,169.40
  4. Step 4: Simplify right side
    119,922.18x = 5,606,870,115.72
  5. Step 5: Solve for x
    x = 5,606,870,115.72/119,922.18
  6. Step 6: Final answer
    x = 46,754.24

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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.