Home / 135,007.86-186,171.29-115,950.74

Finding the Fourth Proportional to 135,007.86, 186,171.29 and 115,950.74

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Solution

The fourth proportional to 135,007.86, 186,171.29 and 115,950.74 is: 159,892.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,007.86 : 186,171.29 = 115,950.74 : x
  2. Step 2: Convert to fraction form
    135,007.86/186,171.29 = 115,950.74/x
  3. Step 3: Cross multiply
    135,007.86x = 186,171.29 × 115,950.74
  4. Step 4: Simplify right side
    135,007.86x = 21,586,697,331.64
  5. Step 5: Solve for x
    x = 21,586,697,331.64/135,007.86
  6. Step 6: Final answer
    x = 159,892.15

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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.