Home / 156,974.40-235,496.32-51,789.12

Finding the Fourth Proportional to 156,974.40, 235,496.32 and 51,789.12

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Solution

The fourth proportional to 156,974.40, 235,496.32 and 51,789.12 is: 77,695.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,974.40 : 235,496.32 = 51,789.12 : x
  2. Step 2: Convert to fraction form
    156,974.40/235,496.32 = 51,789.12/x
  3. Step 3: Cross multiply
    156,974.40x = 235,496.32 × 51,789.12
  4. Step 4: Simplify right side
    156,974.40x = 12,196,147,176.04
  5. Step 5: Solve for x
    x = 12,196,147,176.04/156,974.40
  6. Step 6: Final answer
    x = 77,695.13

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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.