Home / 163,942.20-245,913.30-114,078.60

Finding the Fourth Proportional to 163,942.20, 245,913.30 and 114,078.60

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Solution

The fourth proportional to 163,942.20, 245,913.30 and 114,078.60 is: 171,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,942.20 : 245,913.30 = 114,078.60 : x
  2. Step 2: Convert to fraction form
    163,942.20/245,913.30 = 114,078.60/x
  3. Step 3: Cross multiply
    163,942.20x = 245,913.30 × 114,078.60
  4. Step 4: Simplify right side
    163,942.20x = 28,053,444,985.38
  5. Step 5: Solve for x
    x = 28,053,444,985.38/163,942.20
  6. Step 6: Final answer
    x = 171,117.90

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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.