Home / 111,977.42-154,548.99-64,246.58

Finding the Fourth Proportional to 111,977.42, 154,548.99 and 64,246.58

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Solution

The fourth proportional to 111,977.42, 154,548.99 and 64,246.58 is: 88,671.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,977.42 : 154,548.99 = 64,246.58 : x
  2. Step 2: Convert to fraction form
    111,977.42/154,548.99 = 64,246.58/x
  3. Step 3: Cross multiply
    111,977.42x = 154,548.99 × 64,246.58
  4. Step 4: Simplify right side
    111,977.42x = 9,929,244,049.95
  5. Step 5: Solve for x
    x = 9,929,244,049.95/111,977.42
  6. Step 6: Final answer
    x = 88,671.84

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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.