Home / 199,250.04-298,874.10-85,381.20

Finding the Fourth Proportional to 199,250.04, 298,874.10 and 85,381.20

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Solution

The fourth proportional to 199,250.04, 298,874.10 and 85,381.20 is: 128,071.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,250.04 : 298,874.10 = 85,381.20 : x
  2. Step 2: Convert to fraction form
    199,250.04/298,874.10 = 85,381.20/x
  3. Step 3: Cross multiply
    199,250.04x = 298,874.10 × 85,381.20
  4. Step 4: Simplify right side
    199,250.04x = 25,518,229,306.92
  5. Step 5: Solve for x
    x = 25,518,229,306.92/199,250.04
  6. Step 6: Final answer
    x = 128,071.39

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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.