Home / 159,579.95-239,208.44-103,455.71

Finding the Fourth Proportional to 159,579.95, 239,208.44 and 103,455.71

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Solution

The fourth proportional to 159,579.95, 239,208.44 and 103,455.71 is: 155,078.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,579.95 : 239,208.44 = 103,455.71 : x
  2. Step 2: Convert to fraction form
    159,579.95/239,208.44 = 103,455.71/x
  3. Step 3: Cross multiply
    159,579.95x = 239,208.44 × 103,455.71
  4. Step 4: Simplify right side
    159,579.95x = 24,747,477,284.87
  5. Step 5: Solve for x
    x = 24,747,477,284.87/159,579.95
  6. Step 6: Final answer
    x = 155,078.87

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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.