Home / 159,464.10-239,196.15-122,139.30

Finding the Fourth Proportional to 159,464.10, 239,196.15 and 122,139.30

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Solution

The fourth proportional to 159,464.10, 239,196.15 and 122,139.30 is: 183,208.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,464.10 : 239,196.15 = 122,139.30 : x
  2. Step 2: Convert to fraction form
    159,464.10/239,196.15 = 122,139.30/x
  3. Step 3: Cross multiply
    159,464.10x = 239,196.15 × 122,139.30
  4. Step 4: Simplify right side
    159,464.10x = 29,215,250,323.70
  5. Step 5: Solve for x
    x = 29,215,250,323.70/159,464.10
  6. Step 6: Final answer
    x = 183,208.95

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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.