Home / 178,200.91-245,919.39-101,730.43

Finding the Fourth Proportional to 178,200.91, 245,919.39 and 101,730.43

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Solution

The fourth proportional to 178,200.91, 245,919.39 and 101,730.43 is: 140,389.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,200.91 : 245,919.39 = 101,730.43 : x
  2. Step 2: Convert to fraction form
    178,200.91/245,919.39 = 101,730.43/x
  3. Step 3: Cross multiply
    178,200.91x = 245,919.39 × 101,730.43
  4. Step 4: Simplify right side
    178,200.91x = 25,017,485,788.18
  5. Step 5: Solve for x
    x = 25,017,485,788.18/178,200.91
  6. Step 6: Final answer
    x = 140,389.21

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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.