Home / 164,734.86-247,133.20-74,783.88

Finding the Fourth Proportional to 164,734.86, 247,133.20 and 74,783.88

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Solution

The fourth proportional to 164,734.86, 247,133.20 and 74,783.88 is: 112,189.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,734.86 : 247,133.20 = 74,783.88 : x
  2. Step 2: Convert to fraction form
    164,734.86/247,133.20 = 74,783.88/x
  3. Step 3: Cross multiply
    164,734.86x = 247,133.20 × 74,783.88
  4. Step 4: Simplify right side
    164,734.86x = 18,481,579,572.82
  5. Step 5: Solve for x
    x = 18,481,579,572.82/164,734.86
  6. Step 6: Final answer
    x = 112,189.85

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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.