Home / 247,749.40-342,036.04-163,112.52

Finding the Fourth Proportional to 247,749.40, 342,036.04 and 163,112.52

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Solution

The fourth proportional to 247,749.40, 342,036.04 and 163,112.52 is: 225,188.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,749.40 : 342,036.04 = 163,112.52 : x
  2. Step 2: Convert to fraction form
    247,749.40/342,036.04 = 163,112.52/x
  3. Step 3: Cross multiply
    247,749.40x = 342,036.04 × 163,112.52
  4. Step 4: Simplify right side
    247,749.40x = 55,790,360,415.22
  5. Step 5: Solve for x
    x = 55,790,360,415.22/247,749.40
  6. Step 6: Final answer
    x = 225,188.68

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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.