Home / 131,055.66-196,288.04-91,788.02

Finding the Fourth Proportional to 131,055.66, 196,288.04 and 91,788.02

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Solution

The fourth proportional to 131,055.66, 196,288.04 and 91,788.02 is: 137,475.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,055.66 : 196,288.04 = 91,788.02 : x
  2. Step 2: Convert to fraction form
    131,055.66/196,288.04 = 91,788.02/x
  3. Step 3: Cross multiply
    131,055.66x = 196,288.04 × 91,788.02
  4. Step 4: Simplify right side
    131,055.66x = 18,016,890,541.28
  5. Step 5: Solve for x
    x = 18,016,890,541.28/131,055.66
  6. Step 6: Final answer
    x = 137,475.10

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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.