Home / 124,989.14-187,265.01-104,063.66

Finding the Fourth Proportional to 124,989.14, 187,265.01 and 104,063.66

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Solution

The fourth proportional to 124,989.14, 187,265.01 and 104,063.66 is: 155,913.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,989.14 : 187,265.01 = 104,063.66 : x
  2. Step 2: Convert to fraction form
    124,989.14/187,265.01 = 104,063.66/x
  3. Step 3: Cross multiply
    124,989.14x = 187,265.01 × 104,063.66
  4. Step 4: Simplify right side
    124,989.14x = 19,487,481,394.21
  5. Step 5: Solve for x
    x = 19,487,481,394.21/124,989.14
  6. Step 6: Final answer
    x = 155,913.40

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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.