Home / 122,514.72-183,804.48-66,329.88

Finding the Fourth Proportional to 122,514.72, 183,804.48 and 66,329.88

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Solution

The fourth proportional to 122,514.72, 183,804.48 and 66,329.88 is: 99,512.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,514.72 : 183,804.48 = 66,329.88 : x
  2. Step 2: Convert to fraction form
    122,514.72/183,804.48 = 66,329.88/x
  3. Step 3: Cross multiply
    122,514.72x = 183,804.48 × 66,329.88
  4. Step 4: Simplify right side
    122,514.72x = 12,191,729,101.86
  5. Step 5: Solve for x
    x = 12,191,729,101.86/122,514.72
  6. Step 6: Final answer
    x = 99,512.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.