Home / 144,464.28-199,356.87-79,931.83

Finding the Fourth Proportional to 144,464.28, 199,356.87 and 79,931.83

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Solution

The fourth proportional to 144,464.28, 199,356.87 and 79,931.83 is: 110,303.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,464.28 : 199,356.87 = 79,931.83 : x
  2. Step 2: Convert to fraction form
    144,464.28/199,356.87 = 79,931.83/x
  3. Step 3: Cross multiply
    144,464.28x = 199,356.87 × 79,931.83
  4. Step 4: Simplify right side
    144,464.28x = 15,934,959,560.12
  5. Step 5: Solve for x
    x = 15,934,959,560.12/144,464.28
  6. Step 6: Final answer
    x = 110,303.80

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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.