Home / 108,970.34-150,378.48-61,223.27

Finding the Fourth Proportional to 108,970.34, 150,378.48 and 61,223.27

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Solution

The fourth proportional to 108,970.34, 150,378.48 and 61,223.27 is: 84,487.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,970.34 : 150,378.48 = 61,223.27 : x
  2. Step 2: Convert to fraction form
    108,970.34/150,378.48 = 61,223.27/x
  3. Step 3: Cross multiply
    108,970.34x = 150,378.48 × 61,223.27
  4. Step 4: Simplify right side
    108,970.34x = 9,206,661,531.34
  5. Step 5: Solve for x
    x = 9,206,661,531.34/108,970.34
  6. Step 6: Final answer
    x = 84,487.78

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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.