Home / 137,394.03-206,120.61-42,622.32

Finding the Fourth Proportional to 137,394.03, 206,120.61 and 42,622.32

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Solution

The fourth proportional to 137,394.03, 206,120.61 and 42,622.32 is: 63,942.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,394.03 : 206,120.61 = 42,622.32 : x
  2. Step 2: Convert to fraction form
    137,394.03/206,120.61 = 42,622.32/x
  3. Step 3: Cross multiply
    137,394.03x = 206,120.61 × 42,622.32
  4. Step 4: Simplify right side
    137,394.03x = 8,785,338,598.02
  5. Step 5: Solve for x
    x = 8,785,338,598.02/137,394.03
  6. Step 6: Final answer
    x = 63,942.65

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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.