Home / 216,184.15-298,306.15-120,694.87

Finding the Fourth Proportional to 216,184.15, 298,306.15 and 120,694.87

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Solution

The fourth proportional to 216,184.15, 298,306.15 and 120,694.87 is: 166,543.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,184.15 : 298,306.15 = 120,694.87 : x
  2. Step 2: Convert to fraction form
    216,184.15/298,306.15 = 120,694.87/x
  3. Step 3: Cross multiply
    216,184.15x = 298,306.15 × 120,694.87
  4. Step 4: Simplify right side
    216,184.15x = 36,004,021,994.45
  5. Step 5: Solve for x
    x = 36,004,021,994.45/216,184.15
  6. Step 6: Final answer
    x = 166,543.30

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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.