Home / 150,947.90-208,313.09-82,967.30

Finding the Fourth Proportional to 150,947.90, 208,313.09 and 82,967.30

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Solution

The fourth proportional to 150,947.90, 208,313.09 and 82,967.30 is: 114,497.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,947.90 : 208,313.09 = 82,967.30 : x
  2. Step 2: Convert to fraction form
    150,947.90/208,313.09 = 82,967.30/x
  3. Step 3: Cross multiply
    150,947.90x = 208,313.09 × 82,967.30
  4. Step 4: Simplify right side
    150,947.90x = 17,283,174,631.96
  5. Step 5: Solve for x
    x = 17,283,174,631.96/150,947.90
  6. Step 6: Final answer
    x = 114,497.62

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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.