Home / 121,214.70-181,822.05-36,974.70

Finding the Fourth Proportional to 121,214.70, 181,822.05 and 36,974.70

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Solution

The fourth proportional to 121,214.70, 181,822.05 and 36,974.70 is: 55,462.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,214.70 : 181,822.05 = 36,974.70 : x
  2. Step 2: Convert to fraction form
    121,214.70/181,822.05 = 36,974.70/x
  3. Step 3: Cross multiply
    121,214.70x = 181,822.05 × 36,974.70
  4. Step 4: Simplify right side
    121,214.70x = 6,722,815,752.14
  5. Step 5: Solve for x
    x = 6,722,815,752.14/121,214.70
  6. Step 6: Final answer
    x = 55,462.05

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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.