Home / 216,432.27-298,675.91-120,939.06

Finding the Fourth Proportional to 216,432.27, 298,675.91 and 120,939.06

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Solution

The fourth proportional to 216,432.27, 298,675.91 and 120,939.06 is: 166,895.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,432.27 : 298,675.91 = 120,939.06 : x
  2. Step 2: Convert to fraction form
    216,432.27/298,675.91 = 120,939.06/x
  3. Step 3: Cross multiply
    216,432.27x = 298,675.91 × 120,939.06
  4. Step 4: Simplify right side
    216,432.27x = 36,121,583,195.35
  5. Step 5: Solve for x
    x = 36,121,583,195.35/216,432.27
  6. Step 6: Final answer
    x = 166,895.55

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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.