Home / 145,331.42-200,536.16-80,795.48

Finding the Fourth Proportional to 145,331.42, 200,536.16 and 80,795.48

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Solution

The fourth proportional to 145,331.42, 200,536.16 and 80,795.48 is: 111,485.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,331.42 : 200,536.16 = 80,795.48 : x
  2. Step 2: Convert to fraction form
    145,331.42/200,536.16 = 80,795.48/x
  3. Step 3: Cross multiply
    145,331.42x = 200,536.16 × 80,795.48
  4. Step 4: Simplify right side
    145,331.42x = 16,202,413,897.90
  5. Step 5: Solve for x
    x = 16,202,413,897.90/145,331.42
  6. Step 6: Final answer
    x = 111,485.97

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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.