Home / 129,550.25-178,824.08-75,852.52

Finding the Fourth Proportional to 129,550.25, 178,824.08 and 75,852.52

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Solution

The fourth proportional to 129,550.25, 178,824.08 and 75,852.52 is: 104,702.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,550.25 : 178,824.08 = 75,852.52 : x
  2. Step 2: Convert to fraction form
    129,550.25/178,824.08 = 75,852.52/x
  3. Step 3: Cross multiply
    129,550.25x = 178,824.08 × 75,852.52
  4. Step 4: Simplify right side
    129,550.25x = 13,564,257,104.68
  5. Step 5: Solve for x
    x = 13,564,257,104.68/129,550.25
  6. Step 6: Final answer
    x = 104,702.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.