Home / 89,923.69-134,885.30-84,442.97

Finding the Fourth Proportional to 89,923.69, 134,885.30 and 84,442.97

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Solution

The fourth proportional to 89,923.69, 134,885.30 and 84,442.97 is: 126,664.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,923.69 : 134,885.30 = 84,442.97 : x
  2. Step 2: Convert to fraction form
    89,923.69/134,885.30 = 84,442.97/x
  3. Step 3: Cross multiply
    89,923.69x = 134,885.30 × 84,442.97
  4. Step 4: Simplify right side
    89,923.69x = 11,390,115,731.33
  5. Step 5: Solve for x
    x = 11,390,115,731.33/89,923.69
  6. Step 6: Final answer
    x = 126,664.24

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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.