Home / 88,256.73-121,796.91-54,285.15

Finding the Fourth Proportional to 88,256.73, 121,796.91 and 54,285.15

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Solution

The fourth proportional to 88,256.73, 121,796.91 and 54,285.15 is: 74,915.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,256.73 : 121,796.91 = 54,285.15 : x
  2. Step 2: Convert to fraction form
    88,256.73/121,796.91 = 54,285.15/x
  3. Step 3: Cross multiply
    88,256.73x = 121,796.91 × 54,285.15
  4. Step 4: Simplify right side
    88,256.73x = 6,611,763,528.89
  5. Step 5: Solve for x
    x = 6,611,763,528.89/88,256.73
  6. Step 6: Final answer
    x = 74,915.12

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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.