Home / 131,918.76-197,549.88-92,290.32

Finding the Fourth Proportional to 131,918.76, 197,549.88 and 92,290.32

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Solution

The fourth proportional to 131,918.76, 197,549.88 and 92,290.32 is: 138,205.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,918.76 : 197,549.88 = 92,290.32 : x
  2. Step 2: Convert to fraction form
    131,918.76/197,549.88 = 92,290.32/x
  3. Step 3: Cross multiply
    131,918.76x = 197,549.88 × 92,290.32
  4. Step 4: Simplify right side
    131,918.76x = 18,231,941,641.16
  5. Step 5: Solve for x
    x = 18,231,941,641.16/131,918.76
  6. Step 6: Final answer
    x = 138,205.83

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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.