Home / 213,901.11-321,167.08-119,316.10

Finding the Fourth Proportional to 213,901.11, 321,167.08 and 119,316.10

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Solution

The fourth proportional to 213,901.11, 321,167.08 and 119,316.10 is: 179,150.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,901.11 : 321,167.08 = 119,316.10 : x
  2. Step 2: Convert to fraction form
    213,901.11/321,167.08 = 119,316.10/x
  3. Step 3: Cross multiply
    213,901.11x = 321,167.08 × 119,316.10
  4. Step 4: Simplify right side
    213,901.11x = 38,320,401,231.57
  5. Step 5: Solve for x
    x = 38,320,401,231.57/213,901.11
  6. Step 6: Final answer
    x = 179,150.08

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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.