Home / 112,198.40-154,848.18-64,460.98

Finding the Fourth Proportional to 112,198.40, 154,848.18 and 64,460.98

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Solution

The fourth proportional to 112,198.40, 154,848.18 and 64,460.98 is: 88,964.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,198.40 : 154,848.18 = 64,460.98 : x
  2. Step 2: Convert to fraction form
    112,198.40/154,848.18 = 64,460.98/x
  3. Step 3: Cross multiply
    112,198.40x = 154,848.18 × 64,460.98
  4. Step 4: Simplify right side
    112,198.40x = 9,981,665,434.02
  5. Step 5: Solve for x
    x = 9,981,665,434.02/112,198.40
  6. Step 6: Final answer
    x = 88,964.42

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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.