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Finding the Fourth Proportional to 160,493.76, 240,635.52 and 81,498.24

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Solution

The fourth proportional to 160,493.76, 240,635.52 and 81,498.24 is: 122,193.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,493.76 : 240,635.52 = 81,498.24 : x
  2. Step 2: Convert to fraction form
    160,493.76/240,635.52 = 81,498.24/x
  3. Step 3: Cross multiply
    160,493.76x = 240,635.52 × 81,498.24
  4. Step 4: Simplify right side
    160,493.76x = 19,611,371,361.48
  5. Step 5: Solve for x
    x = 19,611,371,361.48/160,493.76
  6. Step 6: Final answer
    x = 122,193.98

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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.