Home / 108,868.32-150,246.96-61,124.80

Finding the Fourth Proportional to 108,868.32, 150,246.96 and 61,124.80

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Solution

The fourth proportional to 108,868.32, 150,246.96 and 61,124.80 is: 84,357.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,868.32 : 150,246.96 = 61,124.80 : x
  2. Step 2: Convert to fraction form
    108,868.32/150,246.96 = 61,124.80/x
  3. Step 3: Cross multiply
    108,868.32x = 150,246.96 × 61,124.80
  4. Step 4: Simplify right side
    108,868.32x = 9,183,815,380.61
  5. Step 5: Solve for x
    x = 9,183,815,380.61/108,868.32
  6. Step 6: Final answer
    x = 84,357.10

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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.