Home / 122,264.72-183,449.88-66,144.37

Finding the Fourth Proportional to 122,264.72, 183,449.88 and 66,144.37

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Solution

The fourth proportional to 122,264.72, 183,449.88 and 66,144.37 is: 99,245.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,264.72 : 183,449.88 = 66,144.37 : x
  2. Step 2: Convert to fraction form
    122,264.72/183,449.88 = 66,144.37/x
  3. Step 3: Cross multiply
    122,264.72x = 183,449.88 × 66,144.37
  4. Step 4: Simplify right side
    122,264.72x = 12,134,176,739.18
  5. Step 5: Solve for x
    x = 12,134,176,739.18/122,264.72
  6. Step 6: Final answer
    x = 99,245.12

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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.