Home / 216,133.04-298,262.86-120,638.90

Finding the Fourth Proportional to 216,133.04, 298,262.86 and 120,638.90

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Solution

The fourth proportional to 216,133.04, 298,262.86 and 120,638.90 is: 166,481.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,133.04 : 298,262.86 = 120,638.90 : x
  2. Step 2: Convert to fraction form
    216,133.04/298,262.86 = 120,638.90/x
  3. Step 3: Cross multiply
    216,133.04x = 298,262.86 × 120,638.90
  4. Step 4: Simplify right side
    216,133.04x = 35,982,103,785.31
  5. Step 5: Solve for x
    x = 35,982,103,785.31/216,133.04
  6. Step 6: Final answer
    x = 166,481.27

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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.