Home / 217,610.64-326,153.48-112,372.24

Finding the Fourth Proportional to 217,610.64, 326,153.48 and 112,372.24

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Solution

The fourth proportional to 217,610.64, 326,153.48 and 112,372.24 is: 168,422.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,610.64 : 326,153.48 = 112,372.24 : x
  2. Step 2: Convert to fraction form
    217,610.64/326,153.48 = 112,372.24/x
  3. Step 3: Cross multiply
    217,610.64x = 326,153.48 × 112,372.24
  4. Step 4: Simplify right side
    217,610.64x = 36,650,597,131.40
  5. Step 5: Solve for x
    x = 36,650,597,131.40/217,610.64
  6. Step 6: Final answer
    x = 168,422.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.