Home / 88,299.08-132,420.54-29,123.72

Finding the Fourth Proportional to 88,299.08, 132,420.54 and 29,123.72

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Solution

The fourth proportional to 88,299.08, 132,420.54 and 29,123.72 is: 43,676.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,299.08 : 132,420.54 = 29,123.72 : x
  2. Step 2: Convert to fraction form
    88,299.08/132,420.54 = 29,123.72/x
  3. Step 3: Cross multiply
    88,299.08x = 132,420.54 × 29,123.72
  4. Step 4: Simplify right side
    88,299.08x = 3,856,578,729.21
  5. Step 5: Solve for x
    x = 3,856,578,729.21/88,299.08
  6. Step 6: Final answer
    x = 43,676.32

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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.