Home / 108,821.34-150,180.62-61,077.92

Finding the Fourth Proportional to 108,821.34, 150,180.62 and 61,077.92

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Solution

The fourth proportional to 108,821.34, 150,180.62 and 61,077.92 is: 84,291.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,821.34 : 150,180.62 = 61,077.92 : x
  2. Step 2: Convert to fraction form
    108,821.34/150,180.62 = 61,077.92/x
  3. Step 3: Cross multiply
    108,821.34x = 150,180.62 × 61,077.92
  4. Step 4: Simplify right side
    108,821.34x = 9,172,718,837.62
  5. Step 5: Solve for x
    x = 9,172,718,837.62/108,821.34
  6. Step 6: Final answer
    x = 84,291.54

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1.5x scale

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.