Home / 216,628.72-298,827.48-125,974.72

Finding the Fourth Proportional to 216,628.72, 298,827.48 and 125,974.72

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Solution

The fourth proportional to 216,628.72, 298,827.48 and 125,974.72 is: 173,775.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,628.72 : 298,827.48 = 125,974.72 : x
  2. Step 2: Convert to fraction form
    216,628.72/298,827.48 = 125,974.72/x
  3. Step 3: Cross multiply
    216,628.72x = 298,827.48 × 125,974.72
  4. Step 4: Simplify right side
    216,628.72x = 37,644,708,121.31
  5. Step 5: Solve for x
    x = 37,644,708,121.31/216,628.72
  6. Step 6: Final answer
    x = 173,775.24

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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.