Home / 122,862.04-169,601.92-82,599.15

Finding the Fourth Proportional to 122,862.04, 169,601.92 and 82,599.15

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Solution

The fourth proportional to 122,862.04, 169,601.92 and 82,599.15 is: 114,021.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,862.04 : 169,601.92 = 82,599.15 : x
  2. Step 2: Convert to fraction form
    122,862.04/169,601.92 = 82,599.15/x
  3. Step 3: Cross multiply
    122,862.04x = 169,601.92 × 82,599.15
  4. Step 4: Simplify right side
    122,862.04x = 14,008,973,169.36
  5. Step 5: Solve for x
    x = 14,008,973,169.36/122,862.04
  6. Step 6: Final answer
    x = 114,021.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.