Home / 220,447.86-304,225.92-135,548.52

Finding the Fourth Proportional to 220,447.86, 304,225.92 and 135,548.52

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Solution

The fourth proportional to 220,447.86, 304,225.92 and 135,548.52 is: 187,061.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,447.86 : 304,225.92 = 135,548.52 : x
  2. Step 2: Convert to fraction form
    220,447.86/304,225.92 = 135,548.52/x
  3. Step 3: Cross multiply
    220,447.86x = 304,225.92 × 135,548.52
  4. Step 4: Simplify right side
    220,447.86x = 41,237,373,201.64
  5. Step 5: Solve for x
    x = 41,237,373,201.64/220,447.86
  6. Step 6: Final answer
    x = 187,061.80

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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.