Home / 223,080.35-307,848.71-121,103.57

Finding the Fourth Proportional to 223,080.35, 307,848.71 and 121,103.57

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Solution

The fourth proportional to 223,080.35, 307,848.71 and 121,103.57 is: 167,121.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,080.35 : 307,848.71 = 121,103.57 : x
  2. Step 2: Convert to fraction form
    223,080.35/307,848.71 = 121,103.57/x
  3. Step 3: Cross multiply
    223,080.35x = 307,848.71 × 121,103.57
  4. Step 4: Simplify right side
    223,080.35x = 37,281,578,873.28
  5. Step 5: Solve for x
    x = 37,281,578,873.28/223,080.35
  6. Step 6: Final answer
    x = 167,121.76

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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.