Home / 171,811.47-237,107.81-107,318.89

Finding the Fourth Proportional to 171,811.47, 237,107.81 and 107,318.89

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Solution

The fourth proportional to 171,811.47, 237,107.81 and 107,318.89 is: 148,105.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,811.47 : 237,107.81 = 107,318.89 : x
  2. Step 2: Convert to fraction form
    171,811.47/237,107.81 = 107,318.89/x
  3. Step 3: Cross multiply
    171,811.47x = 237,107.81 × 107,318.89
  4. Step 4: Simplify right side
    171,811.47x = 25,446,146,979.53
  5. Step 5: Solve for x
    x = 25,446,146,979.53/171,811.47
  6. Step 6: Final answer
    x = 148,105.05

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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.