Home / 165,113.46-247,621.50-70,342.56

Finding the Fourth Proportional to 165,113.46, 247,621.50 and 70,342.56

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Solution

The fourth proportional to 165,113.46, 247,621.50 and 70,342.56 is: 105,493.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,113.46 : 247,621.50 = 70,342.56 : x
  2. Step 2: Convert to fraction form
    165,113.46/247,621.50 = 70,342.56/x
  3. Step 3: Cross multiply
    165,113.46x = 247,621.50 × 70,342.56
  4. Step 4: Simplify right side
    165,113.46x = 17,418,330,221.04
  5. Step 5: Solve for x
    x = 17,418,330,221.04/165,113.46
  6. Step 6: Final answer
    x = 105,493.10

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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.