Home / 146,078.47-200,126.56-140,615.92

Finding the Fourth Proportional to 146,078.47, 200,126.56 and 140,615.92

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Solution

The fourth proportional to 146,078.47, 200,126.56 and 140,615.92 is: 192,642.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,078.47 : 200,126.56 = 140,615.92 : x
  2. Step 2: Convert to fraction form
    146,078.47/200,126.56 = 140,615.92/x
  3. Step 3: Cross multiply
    146,078.47x = 200,126.56 × 140,615.92
  4. Step 4: Simplify right side
    146,078.47x = 28,140,979,610.56
  5. Step 5: Solve for x
    x = 28,140,979,610.56/146,078.47
  6. Step 6: Final answer
    x = 192,642.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.