Home / 144,419.66-199,293.28-79,007.43

Finding the Fourth Proportional to 144,419.66, 199,293.28 and 79,007.43

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Solution

The fourth proportional to 144,419.66, 199,293.28 and 79,007.43 is: 109,027.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,419.66 : 199,293.28 = 79,007.43 : x
  2. Step 2: Convert to fraction form
    144,419.66/199,293.28 = 79,007.43/x
  3. Step 3: Cross multiply
    144,419.66x = 199,293.28 × 79,007.43
  4. Step 4: Simplify right side
    144,419.66x = 15,745,648,904.02
  5. Step 5: Solve for x
    x = 15,745,648,904.02/144,419.66
  6. Step 6: Final answer
    x = 109,027.05

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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.