Home / 223,012.20-307,757.14-121,037.66

Finding the Fourth Proportional to 223,012.20, 307,757.14 and 121,037.66

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Solution

The fourth proportional to 223,012.20, 307,757.14 and 121,037.66 is: 167,032.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,012.20 : 307,757.14 = 121,037.66 : x
  2. Step 2: Convert to fraction form
    223,012.20/307,757.14 = 121,037.66/x
  3. Step 3: Cross multiply
    223,012.20x = 307,757.14 × 121,037.66
  4. Step 4: Simplify right side
    223,012.20x = 37,250,203,386.60
  5. Step 5: Solve for x
    x = 37,250,203,386.60/223,012.20
  6. Step 6: Final answer
    x = 167,032.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.