Home / 118,408.73-177,636.42-38,431.76

Finding the Fourth Proportional to 118,408.73, 177,636.42 and 38,431.76

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Solution

The fourth proportional to 118,408.73, 177,636.42 and 38,431.76 is: 57,655.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,408.73 : 177,636.42 = 38,431.76 : x
  2. Step 2: Convert to fraction form
    118,408.73/177,636.42 = 38,431.76/x
  3. Step 3: Cross multiply
    118,408.73x = 177,636.42 × 38,431.76
  4. Step 4: Simplify right side
    118,408.73x = 6,826,879,372.52
  5. Step 5: Solve for x
    x = 6,826,879,372.52/118,408.73
  6. Step 6: Final answer
    x = 57,655.21

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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.