Home / 156,132.63-215,462.97-84,513.24

Finding the Fourth Proportional to 156,132.63, 215,462.97 and 84,513.24

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Solution

The fourth proportional to 156,132.63, 215,462.97 and 84,513.24 is: 116,628.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,132.63 : 215,462.97 = 84,513.24 : x
  2. Step 2: Convert to fraction form
    156,132.63/215,462.97 = 84,513.24/x
  3. Step 3: Cross multiply
    156,132.63x = 215,462.97 × 84,513.24
  4. Step 4: Simplify right side
    156,132.63x = 18,209,473,694.72
  5. Step 5: Solve for x
    x = 18,209,473,694.72/156,132.63
  6. Step 6: Final answer
    x = 116,628.24

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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.