Home / 107,480.62-161,220.45-40,905.10

Finding the Fourth Proportional to 107,480.62, 161,220.45 and 40,905.10

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Solution

The fourth proportional to 107,480.62, 161,220.45 and 40,905.10 is: 61,357.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,480.62 : 161,220.45 = 40,905.10 : x
  2. Step 2: Convert to fraction form
    107,480.62/161,220.45 = 40,905.10/x
  3. Step 3: Cross multiply
    107,480.62x = 161,220.45 × 40,905.10
  4. Step 4: Simplify right side
    107,480.62x = 6,594,738,629.30
  5. Step 5: Solve for x
    x = 6,594,738,629.30/107,480.62
  6. Step 6: Final answer
    x = 61,357.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.