Home / 187,265.80-280,969.62-112,438.22

Finding the Fourth Proportional to 187,265.80, 280,969.62 and 112,438.22

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Solution

The fourth proportional to 187,265.80, 280,969.62 and 112,438.22 is: 168,699.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,265.80 : 280,969.62 = 112,438.22 : x
  2. Step 2: Convert to fraction form
    187,265.80/280,969.62 = 112,438.22/x
  3. Step 3: Cross multiply
    187,265.80x = 280,969.62 × 112,438.22
  4. Step 4: Simplify right side
    187,265.80x = 31,591,723,946.88
  5. Step 5: Solve for x
    x = 31,591,723,946.88/187,265.80
  6. Step 6: Final answer
    x = 168,699.91

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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.