Home / 119,177.48-178,766.19-30,427.80

Finding the Fourth Proportional to 119,177.48, 178,766.19 and 30,427.80

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Solution

The fourth proportional to 119,177.48, 178,766.19 and 30,427.80 is: 45,641.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,177.48 : 178,766.19 = 30,427.80 : x
  2. Step 2: Convert to fraction form
    119,177.48/178,766.19 = 30,427.80/x
  3. Step 3: Cross multiply
    119,177.48x = 178,766.19 × 30,427.80
  4. Step 4: Simplify right side
    119,177.48x = 5,439,461,876.08
  5. Step 5: Solve for x
    x = 5,439,461,876.08/119,177.48
  6. Step 6: Final answer
    x = 45,641.69

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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.