Home / 247,742.40-342,026.37-163,105.50

Finding the Fourth Proportional to 247,742.40, 342,026.37 and 163,105.50

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Solution

The fourth proportional to 247,742.40, 342,026.37 and 163,105.50 is: 225,178.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,742.40 : 342,026.37 = 163,105.50 : x
  2. Step 2: Convert to fraction form
    247,742.40/342,026.37 = 163,105.50/x
  3. Step 3: Cross multiply
    247,742.40x = 342,026.37 × 163,105.50
  4. Step 4: Simplify right side
    247,742.40x = 55,786,382,092.04
  5. Step 5: Solve for x
    x = 55,786,382,092.04/247,742.40
  6. Step 6: Final answer
    x = 225,178.98

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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.