Home / 231,154.47-346,171.19-159,877.07

Finding the Fourth Proportional to 231,154.47, 346,171.19 and 159,877.07

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Solution

The fourth proportional to 231,154.47, 346,171.19 and 159,877.07 is: 239,427.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,154.47 : 346,171.19 = 159,877.07 : x
  2. Step 2: Convert to fraction form
    231,154.47/346,171.19 = 159,877.07/x
  3. Step 3: Cross multiply
    231,154.47x = 346,171.19 × 159,877.07
  4. Step 4: Simplify right side
    231,154.47x = 55,344,834,718.87
  5. Step 5: Solve for x
    x = 55,344,834,718.87/231,154.47
  6. Step 6: Final answer
    x = 239,427.92

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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.