Home / 120,146.04-180,246.44-63,956.55

Finding the Fourth Proportional to 120,146.04, 180,246.44 and 63,956.55

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Solution

The fourth proportional to 120,146.04, 180,246.44 and 63,956.55 is: 95,949.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,146.04 : 180,246.44 = 63,956.55 : x
  2. Step 2: Convert to fraction form
    120,146.04/180,246.44 = 63,956.55/x
  3. Step 3: Cross multiply
    120,146.04x = 180,246.44 × 63,956.55
  4. Step 4: Simplify right side
    120,146.04x = 11,527,939,587.29
  5. Step 5: Solve for x
    x = 11,527,939,587.29/120,146.04
  6. Step 6: Final answer
    x = 95,949.39

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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.