Home / 108,869.12-150,235.52-61,124.48

Finding the Fourth Proportional to 108,869.12, 150,235.52 and 61,124.48

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Solution

The fourth proportional to 108,869.12, 150,235.52 and 61,124.48 is: 84,349.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,869.12 : 150,235.52 = 61,124.48 : x
  2. Step 2: Convert to fraction form
    108,869.12/150,235.52 = 61,124.48/x
  3. Step 3: Cross multiply
    108,869.12x = 150,235.52 × 61,124.48
  4. Step 4: Simplify right side
    108,869.12x = 9,183,067,286.35
  5. Step 5: Solve for x
    x = 9,183,067,286.35/108,869.12
  6. Step 6: Final answer
    x = 84,349.61

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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.