Home / 145,272.34-200,494.62-81,610.14

Finding the Fourth Proportional to 145,272.34, 200,494.62 and 81,610.14

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Solution

The fourth proportional to 145,272.34, 200,494.62 and 81,610.14 is: 112,632.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,272.34 : 200,494.62 = 81,610.14 : x
  2. Step 2: Convert to fraction form
    145,272.34/200,494.62 = 81,610.14/x
  3. Step 3: Cross multiply
    145,272.34x = 200,494.62 × 81,610.14
  4. Step 4: Simplify right side
    145,272.34x = 16,362,394,007.45
  5. Step 5: Solve for x
    x = 16,362,394,007.45/145,272.34
  6. Step 6: Final answer
    x = 112,632.55

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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.