Home / 163,747.78-245,621.59-73,685.22

Finding the Fourth Proportional to 163,747.78, 245,621.59 and 73,685.22

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Solution

The fourth proportional to 163,747.78, 245,621.59 and 73,685.22 is: 110,527.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,747.78 : 245,621.59 = 73,685.22 : x
  2. Step 2: Convert to fraction form
    163,747.78/245,621.59 = 73,685.22/x
  3. Step 3: Cross multiply
    163,747.78x = 245,621.59 × 73,685.22
  4. Step 4: Simplify right side
    163,747.78x = 18,098,680,688.66
  5. Step 5: Solve for x
    x = 18,098,680,688.66/163,747.78
  6. Step 6: Final answer
    x = 110,527.79

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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.