Home / 156,350.44-215,763.78-84,729.84

Finding the Fourth Proportional to 156,350.44, 215,763.78 and 84,729.84

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Solution

The fourth proportional to 156,350.44, 215,763.78 and 84,729.84 is: 116,927.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,350.44 : 215,763.78 = 84,729.84 : x
  2. Step 2: Convert to fraction form
    156,350.44/215,763.78 = 84,729.84/x
  3. Step 3: Cross multiply
    156,350.44x = 215,763.78 × 84,729.84
  4. Step 4: Simplify right side
    156,350.44x = 18,281,630,557.20
  5. Step 5: Solve for x
    x = 18,281,630,557.20/156,350.44
  6. Step 6: Final answer
    x = 116,927.27

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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.