Home / 215,901.91-323,775.06-91,252.63

Finding the Fourth Proportional to 215,901.91, 323,775.06 and 91,252.63

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Solution

The fourth proportional to 215,901.91, 323,775.06 and 91,252.63 is: 136,846.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,901.91 : 323,775.06 = 91,252.63 : x
  2. Step 2: Convert to fraction form
    215,901.91/323,775.06 = 91,252.63/x
  3. Step 3: Cross multiply
    215,901.91x = 323,775.06 × 91,252.63
  4. Step 4: Simplify right side
    215,901.91x = 29,545,325,753.41
  5. Step 5: Solve for x
    x = 29,545,325,753.41/215,901.91
  6. Step 6: Final answer
    x = 136,846.06

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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.