Home / 150,206.81-207,308.16-85,675.73

Finding the Fourth Proportional to 150,206.81, 207,308.16 and 85,675.73

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Solution

The fourth proportional to 150,206.81, 207,308.16 and 85,675.73 is: 118,245.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,206.81 : 207,308.16 = 85,675.73 : x
  2. Step 2: Convert to fraction form
    150,206.81/207,308.16 = 85,675.73/x
  3. Step 3: Cross multiply
    150,206.81x = 207,308.16 × 85,675.73
  4. Step 4: Simplify right side
    150,206.81x = 17,761,276,906.42
  5. Step 5: Solve for x
    x = 17,761,276,906.42/150,206.81
  6. Step 6: Final answer
    x = 118,245.49

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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.