Home / 143,949.60-198,671.64-93,081.39

Finding the Fourth Proportional to 143,949.60, 198,671.64 and 93,081.39

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Solution

The fourth proportional to 143,949.60, 198,671.64 and 93,081.39 is: 128,466.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,949.60 : 198,671.64 = 93,081.39 : x
  2. Step 2: Convert to fraction form
    143,949.60/198,671.64 = 93,081.39/x
  3. Step 3: Cross multiply
    143,949.60x = 198,671.64 × 93,081.39
  4. Step 4: Simplify right side
    143,949.60x = 18,492,632,404.78
  5. Step 5: Solve for x
    x = 18,492,632,404.78/143,949.60
  6. Step 6: Final answer
    x = 128,466.02

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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.