Home / 215,995.05-298,070.57-119,199.65

Finding the Fourth Proportional to 215,995.05, 298,070.57 and 119,199.65

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Solution

The fourth proportional to 215,995.05, 298,070.57 and 119,199.65 is: 164,494.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,995.05 : 298,070.57 = 119,199.65 : x
  2. Step 2: Convert to fraction form
    215,995.05/298,070.57 = 119,199.65/x
  3. Step 3: Cross multiply
    215,995.05x = 298,070.57 × 119,199.65
  4. Step 4: Simplify right side
    215,995.05x = 35,529,906,426.95
  5. Step 5: Solve for x
    x = 35,529,906,426.95/215,995.05
  6. Step 6: Final answer
    x = 164,494.08

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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.