Home / 98,118.10-147,178.50-27,997.39

Finding the Fourth Proportional to 98,118.10, 147,178.50 and 27,997.39

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Solution

The fourth proportional to 98,118.10, 147,178.50 and 27,997.39 is: 41,996.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,118.10 : 147,178.50 = 27,997.39 : x
  2. Step 2: Convert to fraction form
    98,118.10/147,178.50 = 27,997.39/x
  3. Step 3: Cross multiply
    98,118.10x = 147,178.50 × 27,997.39
  4. Step 4: Simplify right side
    98,118.10x = 4,120,613,864.12
  5. Step 5: Solve for x
    x = 4,120,613,864.12/98,118.10
  6. Step 6: Final answer
    x = 41,996.47

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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.