Home / 215,910.18-297,956.52-120,423.02

Finding the Fourth Proportional to 215,910.18, 297,956.52 and 120,423.02

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Solution

The fourth proportional to 215,910.18, 297,956.52 and 120,423.02 is: 166,184.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,910.18 : 297,956.52 = 120,423.02 : x
  2. Step 2: Convert to fraction form
    215,910.18/297,956.52 = 120,423.02/x
  3. Step 3: Cross multiply
    215,910.18x = 297,956.52 × 120,423.02
  4. Step 4: Simplify right side
    215,910.18x = 35,880,822,477.31
  5. Step 5: Solve for x
    x = 35,880,822,477.31/215,910.18
  6. Step 6: Final answer
    x = 166,184.02

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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.