Home / 215,423.70-323,137.89-75,182.82

Finding the Fourth Proportional to 215,423.70, 323,137.89 and 75,182.82

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Solution

The fourth proportional to 215,423.70, 323,137.89 and 75,182.82 is: 112,775.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,423.70 : 323,137.89 = 75,182.82 : x
  2. Step 2: Convert to fraction form
    215,423.70/323,137.89 = 75,182.82/x
  3. Step 3: Cross multiply
    215,423.70x = 323,137.89 × 75,182.82
  4. Step 4: Simplify right side
    215,423.70x = 24,294,417,819.05
  5. Step 5: Solve for x
    x = 24,294,417,819.05/215,423.70
  6. Step 6: Final answer
    x = 112,775.05

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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.