Home / 223,127.52-307,919.64-121,152.96

Finding the Fourth Proportional to 223,127.52, 307,919.64 and 121,152.96

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Solution

The fourth proportional to 223,127.52, 307,919.64 and 121,152.96 is: 167,193.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,127.52 : 307,919.64 = 121,152.96 : x
  2. Step 2: Convert to fraction form
    223,127.52/307,919.64 = 121,152.96/x
  3. Step 3: Cross multiply
    223,127.52x = 307,919.64 × 121,152.96
  4. Step 4: Simplify right side
    223,127.52x = 37,305,375,828.13
  5. Step 5: Solve for x
    x = 37,305,375,828.13/223,127.52
  6. Step 6: Final answer
    x = 167,193.07

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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.