Home / 216,171.43-298,304.52-120,684.28

Finding the Fourth Proportional to 216,171.43, 298,304.52 and 120,684.28

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Solution

The fourth proportional to 216,171.43, 298,304.52 and 120,684.28 is: 166,537.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,171.43 : 298,304.52 = 120,684.28 : x
  2. Step 2: Convert to fraction form
    216,171.43/298,304.52 = 120,684.28/x
  3. Step 3: Cross multiply
    216,171.43x = 298,304.52 × 120,684.28
  4. Step 4: Simplify right side
    216,171.43x = 36,000,666,256.79
  5. Step 5: Solve for x
    x = 36,000,666,256.79/216,171.43
  6. Step 6: Final answer
    x = 166,537.57

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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.