Home / 152,340.30-228,557.13-68,171.30

Finding the Fourth Proportional to 152,340.30, 228,557.13 and 68,171.30

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Solution

The fourth proportional to 152,340.30, 228,557.13 and 68,171.30 is: 102,277.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,340.30 : 228,557.13 = 68,171.30 : x
  2. Step 2: Convert to fraction form
    152,340.30/228,557.13 = 68,171.30/x
  3. Step 3: Cross multiply
    152,340.30x = 228,557.13 × 68,171.30
  4. Step 4: Simplify right side
    152,340.30x = 15,581,036,676.37
  5. Step 5: Solve for x
    x = 15,581,036,676.37/152,340.30
  6. Step 6: Final answer
    x = 102,277.84

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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.