Home / 137,209.20-189,339.54-75,951.24

Finding the Fourth Proportional to 137,209.20, 189,339.54 and 75,951.24

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Solution

The fourth proportional to 137,209.20, 189,339.54 and 75,951.24 is: 104,807.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,209.20 : 189,339.54 = 75,951.24 : x
  2. Step 2: Convert to fraction form
    137,209.20/189,339.54 = 75,951.24/x
  3. Step 3: Cross multiply
    137,209.20x = 189,339.54 × 75,951.24
  4. Step 4: Simplify right side
    137,209.20x = 14,380,572,914.22
  5. Step 5: Solve for x
    x = 14,380,572,914.22/137,209.20
  6. Step 6: Final answer
    x = 104,807.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.