Home / 145,214.52-200,372.52-90,760.27

Finding the Fourth Proportional to 145,214.52, 200,372.52 and 90,760.27

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Solution

The fourth proportional to 145,214.52, 200,372.52 and 90,760.27 is: 125,234.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,214.52 : 200,372.52 = 90,760.27 : x
  2. Step 2: Convert to fraction form
    145,214.52/200,372.52 = 90,760.27/x
  3. Step 3: Cross multiply
    145,214.52x = 200,372.52 × 90,760.27
  4. Step 4: Simplify right side
    145,214.52x = 18,185,863,013.92
  5. Step 5: Solve for x
    x = 18,185,863,013.92/145,214.52
  6. Step 6: Final answer
    x = 125,234.47

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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.