Home / 340,072.56-509,933.04-100,155.24

Finding the Fourth Proportional to 340,072.56, 509,933.04 and 100,155.24

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Solution

The fourth proportional to 340,072.56, 509,933.04 and 100,155.24 is: 150,181.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,072.56 : 509,933.04 = 100,155.24 : x
  2. Step 2: Convert to fraction form
    340,072.56/509,933.04 = 100,155.24/x
  3. Step 3: Cross multiply
    340,072.56x = 509,933.04 × 100,155.24
  4. Step 4: Simplify right side
    340,072.56x = 51,072,466,005.13
  5. Step 5: Solve for x
    x = 51,072,466,005.13/340,072.56
  6. Step 6: Final answer
    x = 150,181.08

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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.