Home / 156,278.48-215,665.32-84,658.44

Finding the Fourth Proportional to 156,278.48, 215,665.32 and 84,658.44

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Solution

The fourth proportional to 156,278.48, 215,665.32 and 84,658.44 is: 116,829.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,278.48 : 215,665.32 = 84,658.44 : x
  2. Step 2: Convert to fraction form
    156,278.48/215,665.32 = 84,658.44/x
  3. Step 3: Cross multiply
    156,278.48x = 215,665.32 × 84,658.44
  4. Step 4: Simplify right side
    156,278.48x = 18,257,889,553.30
  5. Step 5: Solve for x
    x = 18,257,889,553.30/156,278.48
  6. Step 6: Final answer
    x = 116,829.20

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1.5x scale

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.