Home / 118,120.43-176,983.40-82,997.21

Finding the Fourth Proportional to 118,120.43, 176,983.40 and 82,997.21

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Solution

The fourth proportional to 118,120.43, 176,983.40 and 82,997.21 is: 124,357.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,120.43 : 176,983.40 = 82,997.21 : x
  2. Step 2: Convert to fraction form
    118,120.43/176,983.40 = 82,997.21/x
  3. Step 3: Cross multiply
    118,120.43x = 176,983.40 × 82,997.21
  4. Step 4: Simplify right side
    118,120.43x = 14,689,129,066.27
  5. Step 5: Solve for x
    x = 14,689,129,066.27/118,120.43
  6. Step 6: Final answer
    x = 124,357.22

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1.5x scale

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.