Home / 145,614.25-200,908.38-85,199.73

Finding the Fourth Proportional to 145,614.25, 200,908.38 and 85,199.73

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Solution

The fourth proportional to 145,614.25, 200,908.38 and 85,199.73 is: 117,552.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,614.25 : 200,908.38 = 85,199.73 : x
  2. Step 2: Convert to fraction form
    145,614.25/200,908.38 = 85,199.73/x
  3. Step 3: Cross multiply
    145,614.25x = 200,908.38 × 85,199.73
  4. Step 4: Simplify right side
    145,614.25x = 17,117,338,726.20
  5. Step 5: Solve for x
    x = 17,117,338,726.20/145,614.25
  6. Step 6: Final answer
    x = 117,552.63

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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.