Home / 144,162.32-198,940.47-79,636.94

Finding the Fourth Proportional to 144,162.32, 198,940.47 and 79,636.94

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Solution

The fourth proportional to 144,162.32, 198,940.47 and 79,636.94 is: 109,897.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,162.32 : 198,940.47 = 79,636.94 : x
  2. Step 2: Convert to fraction form
    144,162.32/198,940.47 = 79,636.94/x
  3. Step 3: Cross multiply
    144,162.32x = 198,940.47 × 79,636.94
  4. Step 4: Simplify right side
    144,162.32x = 15,843,009,278.26
  5. Step 5: Solve for x
    x = 15,843,009,278.26/144,162.32
  6. Step 6: Final answer
    x = 109,897.02

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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.