Home / 156,945.78-235,360.35-51,736.50

Finding the Fourth Proportional to 156,945.78, 235,360.35 and 51,736.50

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Solution

The fourth proportional to 156,945.78, 235,360.35 and 51,736.50 is: 77,585.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,945.78 : 235,360.35 = 51,736.50 : x
  2. Step 2: Convert to fraction form
    156,945.78/235,360.35 = 51,736.50/x
  3. Step 3: Cross multiply
    156,945.78x = 235,360.35 × 51,736.50
  4. Step 4: Simplify right side
    156,945.78x = 12,176,720,747.78
  5. Step 5: Solve for x
    x = 12,176,720,747.78/156,945.78
  6. Step 6: Final answer
    x = 77,585.53

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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.