Home / 371,149.56-556,724.07-131,439.24

Finding the Fourth Proportional to 371,149.56, 556,724.07 and 131,439.24

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Solution

The fourth proportional to 371,149.56, 556,724.07 and 131,439.24 is: 197,158.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,149.56 : 556,724.07 = 131,439.24 : x
  2. Step 2: Convert to fraction form
    371,149.56/556,724.07 = 131,439.24/x
  3. Step 3: Cross multiply
    371,149.56x = 556,724.07 × 131,439.24
  4. Step 4: Simplify right side
    371,149.56x = 73,175,388,650.51
  5. Step 5: Solve for x
    x = 73,175,388,650.51/371,149.56
  6. Step 6: Final answer
    x = 197,158.76

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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.