Home / 120,034.10-180,060.50-35,787.83

Finding the Fourth Proportional to 120,034.10, 180,060.50 and 35,787.83

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Solution

The fourth proportional to 120,034.10, 180,060.50 and 35,787.83 is: 53,684.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,034.10 : 180,060.50 = 35,787.83 : x
  2. Step 2: Convert to fraction form
    120,034.10/180,060.50 = 35,787.83/x
  3. Step 3: Cross multiply
    120,034.10x = 180,060.50 × 35,787.83
  4. Step 4: Simplify right side
    120,034.10x = 6,443,973,752.88
  5. Step 5: Solve for x
    x = 6,443,973,752.88/120,034.10
  6. Step 6: Final answer
    x = 53,684.52

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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.