Home / 150,979.55-208,352.45-83,000.90

Finding the Fourth Proportional to 150,979.55, 208,352.45 and 83,000.90

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Solution

The fourth proportional to 150,979.55, 208,352.45 and 83,000.90 is: 114,541.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,979.55 : 208,352.45 = 83,000.90 : x
  2. Step 2: Convert to fraction form
    150,979.55/208,352.45 = 83,000.90/x
  3. Step 3: Cross multiply
    150,979.55x = 208,352.45 × 83,000.90
  4. Step 4: Simplify right side
    150,979.55x = 17,293,439,410.44
  5. Step 5: Solve for x
    x = 17,293,439,410.44/150,979.55
  6. Step 6: Final answer
    x = 114,541.61

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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.