Home / 163,422.34-225,516.68-90,829.73

Finding the Fourth Proportional to 163,422.34, 225,516.68 and 90,829.73

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Solution

The fourth proportional to 163,422.34, 225,516.68 and 90,829.73 is: 125,341.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,422.34 : 225,516.68 = 90,829.73 : x
  2. Step 2: Convert to fraction form
    163,422.34/225,516.68 = 90,829.73/x
  3. Step 3: Cross multiply
    163,422.34x = 225,516.68 × 90,829.73
  4. Step 4: Simplify right side
    163,422.34x = 20,483,619,154.90
  5. Step 5: Solve for x
    x = 20,483,619,154.90/163,422.34
  6. Step 6: Final answer
    x = 125,341.61

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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.