Home / 120,893.02-166,780.62-75,492.18

Finding the Fourth Proportional to 120,893.02, 166,780.62 and 75,492.18

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Solution

The fourth proportional to 120,893.02, 166,780.62 and 75,492.18 is: 104,146.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,893.02 : 166,780.62 = 75,492.18 : x
  2. Step 2: Convert to fraction form
    120,893.02/166,780.62 = 75,492.18/x
  3. Step 3: Cross multiply
    120,893.02x = 166,780.62 × 75,492.18
  4. Step 4: Simplify right side
    120,893.02x = 12,590,632,585.55
  5. Step 5: Solve for x
    x = 12,590,632,585.55/120,893.02
  6. Step 6: Final answer
    x = 104,146.89

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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.