Home / 319,483.32-479,045.10-106,137

Finding the Fourth Proportional to 319,483.32, 479,045.10 and 106,137

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Solution

The fourth proportional to 319,483.32, 479,045.10 and 106,137 is: 159,145.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,483.32 : 479,045.10 = 106,137 : x
  2. Step 2: Convert to fraction form
    319,483.32/479,045.10 = 106,137/x
  3. Step 3: Cross multiply
    319,483.32x = 479,045.10 × 106,137
  4. Step 4: Simplify right side
    319,483.32x = 50,844,409,778.70
  5. Step 5: Solve for x
    x = 50,844,409,778.70/319,483.32
  6. Step 6: Final answer
    x = 159,145.74

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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.