Home / 150,631.41-207,864.32-82,646.85

Finding the Fourth Proportional to 150,631.41, 207,864.32 and 82,646.85

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Solution

The fourth proportional to 150,631.41, 207,864.32 and 82,646.85 is: 114,048.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,631.41 : 207,864.32 = 82,646.85 : x
  2. Step 2: Convert to fraction form
    150,631.41/207,864.32 = 82,646.85/x
  3. Step 3: Cross multiply
    150,631.41x = 207,864.32 × 82,646.85
  4. Step 4: Simplify right side
    150,631.41x = 17,179,330,442.69
  5. Step 5: Solve for x
    x = 17,179,330,442.69/150,631.41
  6. Step 6: Final answer
    x = 114,048.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.