Home / 89,590.12-134,227.54-84,256.58

Finding the Fourth Proportional to 89,590.12, 134,227.54 and 84,256.58

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Solution

The fourth proportional to 89,590.12, 134,227.54 and 84,256.58 is: 126,236.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,590.12 : 134,227.54 = 84,256.58 : x
  2. Step 2: Convert to fraction form
    89,590.12/134,227.54 = 84,256.58/x
  3. Step 3: Cross multiply
    89,590.12x = 134,227.54 × 84,256.58
  4. Step 4: Simplify right side
    89,590.12x = 11,309,553,462.21
  5. Step 5: Solve for x
    x = 11,309,553,462.21/89,590.12
  6. Step 6: Final answer
    x = 126,236.61

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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.