Home / 123,787.57-185,708-39,527.92

Finding the Fourth Proportional to 123,787.57, 185,708 and 39,527.92

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Solution

The fourth proportional to 123,787.57, 185,708 and 39,527.92 is: 59,300.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,787.57 : 185,708 = 39,527.92 : x
  2. Step 2: Convert to fraction form
    123,787.57/185,708 = 39,527.92/x
  3. Step 3: Cross multiply
    123,787.57x = 185,708 × 39,527.92
  4. Step 4: Simplify right side
    123,787.57x = 7,340,650,967.36
  5. Step 5: Solve for x
    x = 7,340,650,967.36/123,787.57
  6. Step 6: Final answer
    x = 59,300.39

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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.