Home / 156,979.90-235,383.45-51,744.70

Finding the Fourth Proportional to 156,979.90, 235,383.45 and 51,744.70

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Solution

The fourth proportional to 156,979.90, 235,383.45 and 51,744.70 is: 77,588.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,979.90 : 235,383.45 = 51,744.70 : x
  2. Step 2: Convert to fraction form
    156,979.90/235,383.45 = 51,744.70/x
  3. Step 3: Cross multiply
    156,979.90x = 235,383.45 × 51,744.70
  4. Step 4: Simplify right side
    156,979.90x = 12,179,846,005.22
  5. Step 5: Solve for x
    x = 12,179,846,005.22/156,979.90
  6. Step 6: Final answer
    x = 77,588.57

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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.