Home / 131,195.64-181,049.06-74,607

Finding the Fourth Proportional to 131,195.64, 181,049.06 and 74,607

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Solution

The fourth proportional to 131,195.64, 181,049.06 and 74,607 is: 102,957.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,195.64 : 181,049.06 = 74,607 : x
  2. Step 2: Convert to fraction form
    131,195.64/181,049.06 = 74,607/x
  3. Step 3: Cross multiply
    131,195.64x = 181,049.06 × 74,607
  4. Step 4: Simplify right side
    131,195.64x = 13,507,527,219.42
  5. Step 5: Solve for x
    x = 13,507,527,219.42/131,195.64
  6. Step 6: Final answer
    x = 102,957.14

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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.