Home / 144,224.15-199,032.39-79,693.47

Finding the Fourth Proportional to 144,224.15, 199,032.39 and 79,693.47

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Solution

The fourth proportional to 144,224.15, 199,032.39 and 79,693.47 is: 109,978.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,224.15 : 199,032.39 = 79,693.47 : x
  2. Step 2: Convert to fraction form
    144,224.15/199,032.39 = 79,693.47/x
  3. Step 3: Cross multiply
    144,224.15x = 199,032.39 × 79,693.47
  4. Step 4: Simplify right side
    144,224.15x = 15,861,581,801.49
  5. Step 5: Solve for x
    x = 15,861,581,801.49/144,224.15
  6. Step 6: Final answer
    x = 109,978.68

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1.5x scale

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.