Home / 144,206.94-199,009.59-79,680.34

Finding the Fourth Proportional to 144,206.94, 199,009.59 and 79,680.34

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Solution

The fourth proportional to 144,206.94, 199,009.59 and 79,680.34 is: 109,961.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,206.94 : 199,009.59 = 79,680.34 : x
  2. Step 2: Convert to fraction form
    144,206.94/199,009.59 = 79,680.34/x
  3. Step 3: Cross multiply
    144,206.94x = 199,009.59 × 79,680.34
  4. Step 4: Simplify right side
    144,206.94x = 15,857,151,296.94
  5. Step 5: Solve for x
    x = 15,857,151,296.94/144,206.94
  6. Step 6: Final answer
    x = 109,961.08

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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.