Home / 144,001.71-198,722.48-80,339.52

Finding the Fourth Proportional to 144,001.71, 198,722.48 and 80,339.52

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Solution

The fourth proportional to 144,001.71, 198,722.48 and 80,339.52 is: 110,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,001.71 : 198,722.48 = 80,339.52 : x
  2. Step 2: Convert to fraction form
    144,001.71/198,722.48 = 80,339.52/x
  3. Step 3: Cross multiply
    144,001.71x = 198,722.48 × 80,339.52
  4. Step 4: Simplify right side
    144,001.71x = 15,965,268,656.41
  5. Step 5: Solve for x
    x = 15,965,268,656.41/144,001.71
  6. Step 6: Final answer
    x = 110,868.60

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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.