Home / 144,837.02-199,872.06-79,424.93

Finding the Fourth Proportional to 144,837.02, 199,872.06 and 79,424.93

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Solution

The fourth proportional to 144,837.02, 199,872.06 and 79,424.93 is: 109,604.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,837.02 : 199,872.06 = 79,424.93 : x
  2. Step 2: Convert to fraction form
    144,837.02/199,872.06 = 79,424.93/x
  3. Step 3: Cross multiply
    144,837.02x = 199,872.06 × 79,424.93
  4. Step 4: Simplify right side
    144,837.02x = 15,874,823,375.10
  5. Step 5: Solve for x
    x = 15,874,823,375.10/144,837.02
  6. Step 6: Final answer
    x = 109,604.74

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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.