Home / 156,800.64-235,237.41-51,620.52

Finding the Fourth Proportional to 156,800.64, 235,237.41 and 51,620.52

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Solution

The fourth proportional to 156,800.64, 235,237.41 and 51,620.52 is: 77,442.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,800.64 : 235,237.41 = 51,620.52 : x
  2. Step 2: Convert to fraction form
    156,800.64/235,237.41 = 51,620.52/x
  3. Step 3: Cross multiply
    156,800.64x = 235,237.41 × 51,620.52
  4. Step 4: Simplify right side
    156,800.64x = 12,143,077,427.65
  5. Step 5: Solve for x
    x = 12,143,077,427.65/156,800.64
  6. Step 6: Final answer
    x = 77,442.78

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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.