Home / 215,434.08-323,298.77-75,192.70

Finding the Fourth Proportional to 215,434.08, 323,298.77 and 75,192.70

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Solution

The fourth proportional to 215,434.08, 323,298.77 and 75,192.70 is: 112,840.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,434.08 : 323,298.77 = 75,192.70 : x
  2. Step 2: Convert to fraction form
    215,434.08/323,298.77 = 75,192.70/x
  3. Step 3: Cross multiply
    215,434.08x = 323,298.77 × 75,192.70
  4. Step 4: Simplify right side
    215,434.08x = 24,309,707,422.98
  5. Step 5: Solve for x
    x = 24,309,707,422.98/215,434.08
  6. Step 6: Final answer
    x = 112,840.58

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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.