Home / 199,326.06-299,106.93-80,988.30

Finding the Fourth Proportional to 199,326.06, 299,106.93 and 80,988.30

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Solution

The fourth proportional to 199,326.06, 299,106.93 and 80,988.30 is: 121,530.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,326.06 : 299,106.93 = 80,988.30 : x
  2. Step 2: Convert to fraction form
    199,326.06/299,106.93 = 80,988.30/x
  3. Step 3: Cross multiply
    199,326.06x = 299,106.93 × 80,988.30
  4. Step 4: Simplify right side
    199,326.06x = 24,224,161,778.92
  5. Step 5: Solve for x
    x = 24,224,161,778.92/199,326.06
  6. Step 6: Final answer
    x = 121,530.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.