Home / 108,847.05-150,197.38-61,105.65

Finding the Fourth Proportional to 108,847.05, 150,197.38 and 61,105.65

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Solution

The fourth proportional to 108,847.05, 150,197.38 and 61,105.65 is: 84,319.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,847.05 : 150,197.38 = 61,105.65 : x
  2. Step 2: Convert to fraction form
    108,847.05/150,197.38 = 61,105.65/x
  3. Step 3: Cross multiply
    108,847.05x = 150,197.38 × 61,105.65
  4. Step 4: Simplify right side
    108,847.05x = 9,177,908,533.20
  5. Step 5: Solve for x
    x = 9,177,908,533.20/108,847.05
  6. Step 6: Final answer
    x = 84,319.31

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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.