Home / 102,071.26-153,110.04-84,439.54

Finding the Fourth Proportional to 102,071.26, 153,110.04 and 84,439.54

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Solution

The fourth proportional to 102,071.26, 153,110.04 and 84,439.54 is: 126,661.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,071.26 : 153,110.04 = 84,439.54 : x
  2. Step 2: Convert to fraction form
    102,071.26/153,110.04 = 84,439.54/x
  3. Step 3: Cross multiply
    102,071.26x = 153,110.04 × 84,439.54
  4. Step 4: Simplify right side
    102,071.26x = 12,928,541,346.98
  5. Step 5: Solve for x
    x = 12,928,541,346.98/102,071.26
  6. Step 6: Final answer
    x = 126,661.92

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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.