Home / 156,563.10-216,057.10-84,943.13

Finding the Fourth Proportional to 156,563.10, 216,057.10 and 84,943.13

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Solution

The fourth proportional to 156,563.10, 216,057.10 and 84,943.13 is: 117,221.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,563.10 : 216,057.10 = 84,943.13 : x
  2. Step 2: Convert to fraction form
    156,563.10/216,057.10 = 84,943.13/x
  3. Step 3: Cross multiply
    156,563.10x = 216,057.10 × 84,943.13
  4. Step 4: Simplify right side
    156,563.10x = 18,352,566,175.77
  5. Step 5: Solve for x
    x = 18,352,566,175.77/156,563.10
  6. Step 6: Final answer
    x = 117,221.53

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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.