Home / 131,194.64-181,047.68-74,606

Finding the Fourth Proportional to 131,194.64, 181,047.68 and 74,606

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Solution

The fourth proportional to 131,194.64, 181,047.68 and 74,606 is: 102,955.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,194.64 : 181,047.68 = 74,606 : x
  2. Step 2: Convert to fraction form
    131,194.64/181,047.68 = 74,606/x
  3. Step 3: Cross multiply
    131,194.64x = 181,047.68 × 74,606
  4. Step 4: Simplify right side
    131,194.64x = 13,507,243,214.08
  5. Step 5: Solve for x
    x = 13,507,243,214.08/131,194.64
  6. Step 6: Final answer
    x = 102,955.76

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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.