Home / 163,937.90-246,016.20-75,145.70

Finding the Fourth Proportional to 163,937.90, 246,016.20 and 75,145.70

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Solution

The fourth proportional to 163,937.90, 246,016.20 and 75,145.70 is: 112,768.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,937.90 : 246,016.20 = 75,145.70 : x
  2. Step 2: Convert to fraction form
    163,937.90/246,016.20 = 75,145.70/x
  3. Step 3: Cross multiply
    163,937.90x = 246,016.20 × 75,145.70
  4. Step 4: Simplify right side
    163,937.90x = 18,487,059,560.34
  5. Step 5: Solve for x
    x = 18,487,059,560.34/163,937.90
  6. Step 6: Final answer
    x = 112,768.67

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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.