Home / 156,380.26-215,803.52-84,758.44

Finding the Fourth Proportional to 156,380.26, 215,803.52 and 84,758.44

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Solution

The fourth proportional to 156,380.26, 215,803.52 and 84,758.44 is: 116,965.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,380.26 : 215,803.52 = 84,758.44 : x
  2. Step 2: Convert to fraction form
    156,380.26/215,803.52 = 84,758.44/x
  3. Step 3: Cross multiply
    156,380.26x = 215,803.52 × 84,758.44
  4. Step 4: Simplify right side
    156,380.26x = 18,291,169,701.71
  5. Step 5: Solve for x
    x = 18,291,169,701.71/156,380.26
  6. Step 6: Final answer
    x = 116,965.98

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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.