Home / 216,443.92-298,686.96-120,951.28

Finding the Fourth Proportional to 216,443.92, 298,686.96 and 120,951.28

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Solution

The fourth proportional to 216,443.92, 298,686.96 and 120,951.28 is: 166,909.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,443.92 : 298,686.96 = 120,951.28 : x
  2. Step 2: Convert to fraction form
    216,443.92/298,686.96 = 120,951.28/x
  3. Step 3: Cross multiply
    216,443.92x = 298,686.96 × 120,951.28
  4. Step 4: Simplify right side
    216,443.92x = 36,126,570,131.31
  5. Step 5: Solve for x
    x = 36,126,570,131.31/216,443.92
  6. Step 6: Final answer
    x = 166,909.61

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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.