Home / 216,533.30-298,822.56-121,044.02

Finding the Fourth Proportional to 216,533.30, 298,822.56 and 121,044.02

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Solution

The fourth proportional to 216,533.30, 298,822.56 and 121,044.02 is: 167,044.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,533.30 : 298,822.56 = 121,044.02 : x
  2. Step 2: Convert to fraction form
    216,533.30/298,822.56 = 121,044.02/x
  3. Step 3: Cross multiply
    216,533.30x = 298,822.56 × 121,044.02
  4. Step 4: Simplify right side
    216,533.30x = 36,170,682,434.98
  5. Step 5: Solve for x
    x = 36,170,682,434.98/216,533.30
  6. Step 6: Final answer
    x = 167,044.44

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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.