Home / 119,167.11-178,750.61-30,420.59

Finding the Fourth Proportional to 119,167.11, 178,750.61 and 30,420.59

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Solution

The fourth proportional to 119,167.11, 178,750.61 and 30,420.59 is: 45,630.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,167.11 : 178,750.61 = 30,420.59 : x
  2. Step 2: Convert to fraction form
    119,167.11/178,750.61 = 30,420.59/x
  3. Step 3: Cross multiply
    119,167.11x = 178,750.61 × 30,420.59
  4. Step 4: Simplify right side
    119,167.11x = 5,437,698,272.69
  5. Step 5: Solve for x
    x = 5,437,698,272.69/119,167.11
  6. Step 6: Final answer
    x = 45,630.86

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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.