Home / 119,862.57-179,667.45-39,879.12

Finding the Fourth Proportional to 119,862.57, 179,667.45 and 39,879.12

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Solution

The fourth proportional to 119,862.57, 179,667.45 and 39,879.12 is: 59,776.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,862.57 : 179,667.45 = 39,879.12 : x
  2. Step 2: Convert to fraction form
    119,862.57/179,667.45 = 39,879.12/x
  3. Step 3: Cross multiply
    119,862.57x = 179,667.45 × 39,879.12
  4. Step 4: Simplify right side
    119,862.57x = 7,164,979,798.64
  5. Step 5: Solve for x
    x = 7,164,979,798.64/119,862.57
  6. Step 6: Final answer
    x = 59,776.62

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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.