Home / 118,863.90-178,302.24-30,118.14

Finding the Fourth Proportional to 118,863.90, 178,302.24 and 30,118.14

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Solution

The fourth proportional to 118,863.90, 178,302.24 and 30,118.14 is: 45,178.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,863.90 : 178,302.24 = 30,118.14 : x
  2. Step 2: Convert to fraction form
    118,863.90/178,302.24 = 30,118.14/x
  3. Step 3: Cross multiply
    118,863.90x = 178,302.24 × 30,118.14
  4. Step 4: Simplify right side
    118,863.90x = 5,370,131,826.63
  5. Step 5: Solve for x
    x = 5,370,131,826.63/118,863.90
  6. Step 6: Final answer
    x = 45,178.83

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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.