Home / 216,034.12-298,127.01-120,540.79

Finding the Fourth Proportional to 216,034.12, 298,127.01 and 120,540.79

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Solution

The fourth proportional to 216,034.12, 298,127.01 and 120,540.79 is: 166,346.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,034.12 : 298,127.01 = 120,540.79 : x
  2. Step 2: Convert to fraction form
    216,034.12/298,127.01 = 120,540.79/x
  3. Step 3: Cross multiply
    216,034.12x = 298,127.01 × 120,540.79
  4. Step 4: Simplify right side
    216,034.12x = 35,936,465,305.74
  5. Step 5: Solve for x
    x = 35,936,465,305.74/216,034.12
  6. Step 6: Final answer
    x = 166,346.25

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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.