Home / 144,225.88-198,902.42-120,106.71

Finding the Fourth Proportional to 144,225.88, 198,902.42 and 120,106.71

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Solution

The fourth proportional to 144,225.88, 198,902.42 and 120,106.71 is: 165,639.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,225.88 : 198,902.42 = 120,106.71 : x
  2. Step 2: Convert to fraction form
    144,225.88/198,902.42 = 120,106.71/x
  3. Step 3: Cross multiply
    144,225.88x = 198,902.42 × 120,106.71
  4. Step 4: Simplify right side
    144,225.88x = 23,889,515,277.24
  5. Step 5: Solve for x
    x = 23,889,515,277.24/144,225.88
  6. Step 6: Final answer
    x = 165,639.59

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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.