Home / 88,492.16-121,161.76-88,181.12

Finding the Fourth Proportional to 88,492.16, 121,161.76 and 88,181.12

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Solution

The fourth proportional to 88,492.16, 121,161.76 and 88,181.12 is: 120,735.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,492.16 : 121,161.76 = 88,181.12 : x
  2. Step 2: Convert to fraction form
    88,492.16/121,161.76 = 88,181.12/x
  3. Step 3: Cross multiply
    88,492.16x = 121,161.76 × 88,181.12
  4. Step 4: Simplify right side
    88,492.16x = 10,684,179,697.97
  5. Step 5: Solve for x
    x = 10,684,179,697.97/88,492.16
  6. Step 6: Final answer
    x = 120,735.89

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.