Home / 156,356.22-215,771.04-84,738

Finding the Fourth Proportional to 156,356.22, 215,771.04 and 84,738

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Solution

The fourth proportional to 156,356.22, 215,771.04 and 84,738 is: 116,938.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,356.22 : 215,771.04 = 84,738 : x
  2. Step 2: Convert to fraction form
    156,356.22/215,771.04 = 84,738/x
  3. Step 3: Cross multiply
    156,356.22x = 215,771.04 × 84,738
  4. Step 4: Simplify right side
    156,356.22x = 18,284,006,387.52
  5. Step 5: Solve for x
    x = 18,284,006,387.52/156,356.22
  6. Step 6: Final answer
    x = 116,938.15

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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.