Home / 108,857.16-150,212.61-61,101.18

Finding the Fourth Proportional to 108,857.16, 150,212.61 and 61,101.18

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Solution

The fourth proportional to 108,857.16, 150,212.61 and 61,101.18 is: 84,313.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,857.16 : 150,212.61 = 61,101.18 : x
  2. Step 2: Convert to fraction form
    108,857.16/150,212.61 = 61,101.18/x
  3. Step 3: Cross multiply
    108,857.16x = 150,212.61 × 61,101.18
  4. Step 4: Simplify right side
    108,857.16x = 9,178,167,721.88
  5. Step 5: Solve for x
    x = 9,178,167,721.88/108,857.16
  6. Step 6: Final answer
    x = 84,313.86

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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.