Home / 124,881.30-187,321.95-82,890.90

Finding the Fourth Proportional to 124,881.30, 187,321.95 and 82,890.90

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Solution

The fourth proportional to 124,881.30, 187,321.95 and 82,890.90 is: 124,336.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,881.30 : 187,321.95 = 82,890.90 : x
  2. Step 2: Convert to fraction form
    124,881.30/187,321.95 = 82,890.90/x
  3. Step 3: Cross multiply
    124,881.30x = 187,321.95 × 82,890.90
  4. Step 4: Simplify right side
    124,881.30x = 15,527,285,025.26
  5. Step 5: Solve for x
    x = 15,527,285,025.26/124,881.30
  6. Step 6: Final answer
    x = 124,336.35

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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.