Home / 104,405.64-144,079.98-61,972.68

Finding the Fourth Proportional to 104,405.64, 144,079.98 and 61,972.68

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Solution

The fourth proportional to 104,405.64, 144,079.98 and 61,972.68 is: 85,522.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,405.64 : 144,079.98 = 61,972.68 : x
  2. Step 2: Convert to fraction form
    104,405.64/144,079.98 = 61,972.68/x
  3. Step 3: Cross multiply
    104,405.64x = 144,079.98 × 61,972.68
  4. Step 4: Simplify right side
    104,405.64x = 8,929,022,494.95
  5. Step 5: Solve for x
    x = 8,929,022,494.95/104,405.64
  6. Step 6: Final answer
    x = 85,522.42

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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.