Home / 118,950.21-178,425.32-30,204.18

Finding the Fourth Proportional to 118,950.21, 178,425.32 and 30,204.18

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Solution

The fourth proportional to 118,950.21, 178,425.32 and 30,204.18 is: 45,306.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,950.21 : 178,425.32 = 30,204.18 : x
  2. Step 2: Convert to fraction form
    118,950.21/178,425.32 = 30,204.18/x
  3. Step 3: Cross multiply
    118,950.21x = 178,425.32 × 30,204.18
  4. Step 4: Simplify right side
    118,950.21x = 5,389,190,330.82
  5. Step 5: Solve for x
    x = 5,389,190,330.82/118,950.21
  6. Step 6: Final answer
    x = 45,306.27

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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.