Home / 108,943.72-150,355.17-61,196.85

Finding the Fourth Proportional to 108,943.72, 150,355.17 and 61,196.85

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Solution

The fourth proportional to 108,943.72, 150,355.17 and 61,196.85 is: 84,458.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,943.72 : 150,355.17 = 61,196.85 : x
  2. Step 2: Convert to fraction form
    108,943.72/150,355.17 = 61,196.85/x
  3. Step 3: Cross multiply
    108,943.72x = 150,355.17 × 61,196.85
  4. Step 4: Simplify right side
    108,943.72x = 9,201,262,785.21
  5. Step 5: Solve for x
    x = 9,201,262,785.21/108,943.72
  6. Step 6: Final answer
    x = 84,458.87

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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.