Home / 223,019.56-307,769.20-121,045.92

Finding the Fourth Proportional to 223,019.56, 307,769.20 and 121,045.92

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Solution

The fourth proportional to 223,019.56, 307,769.20 and 121,045.92 is: 167,044.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,019.56 : 307,769.20 = 121,045.92 : x
  2. Step 2: Convert to fraction form
    223,019.56/307,769.20 = 121,045.92/x
  3. Step 3: Cross multiply
    223,019.56x = 307,769.20 × 121,045.92
  4. Step 4: Simplify right side
    223,019.56x = 37,254,205,961.66
  5. Step 5: Solve for x
    x = 37,254,205,961.66/223,019.56
  6. Step 6: Final answer
    x = 167,044.57

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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.