Home / 120,894.02-166,782-75,493.18

Finding the Fourth Proportional to 120,894.02, 166,782 and 75,493.18

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Solution

The fourth proportional to 120,894.02, 166,782 and 75,493.18 is: 104,148.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,894.02 : 166,782 = 75,493.18 : x
  2. Step 2: Convert to fraction form
    120,894.02/166,782 = 75,493.18/x
  3. Step 3: Cross multiply
    120,894.02x = 166,782 × 75,493.18
  4. Step 4: Simplify right side
    120,894.02x = 12,590,903,546.76
  5. Step 5: Solve for x
    x = 12,590,903,546.76/120,894.02
  6. Step 6: Final answer
    x = 104,148.27

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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.