Home / 247,749.40-342,036.06-163,112.50

Finding the Fourth Proportional to 247,749.40, 342,036.06 and 163,112.50

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Solution

The fourth proportional to 247,749.40, 342,036.06 and 163,112.50 is: 225,188.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,749.40 : 342,036.06 = 163,112.50 : x
  2. Step 2: Convert to fraction form
    247,749.40/342,036.06 = 163,112.50/x
  3. Step 3: Cross multiply
    247,749.40x = 342,036.06 × 163,112.50
  4. Step 4: Simplify right side
    247,749.40x = 55,790,356,836.75
  5. Step 5: Solve for x
    x = 55,790,356,836.75/247,749.40
  6. Step 6: Final answer
    x = 225,188.67

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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.