Home / 199,154.21-298,731.02-92,479.83

Finding the Fourth Proportional to 199,154.21, 298,731.02 and 92,479.83

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Solution

The fourth proportional to 199,154.21, 298,731.02 and 92,479.83 is: 138,719.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,154.21 : 298,731.02 = 92,479.83 : x
  2. Step 2: Convert to fraction form
    199,154.21/298,731.02 = 92,479.83/x
  3. Step 3: Cross multiply
    199,154.21x = 298,731.02 × 92,479.83
  4. Step 4: Simplify right side
    199,154.21x = 27,626,593,482.93
  5. Step 5: Solve for x
    x = 27,626,593,482.93/199,154.21
  6. Step 6: Final answer
    x = 138,719.61

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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.