Home / 122,340.42-168,821.04-67,895.51

Finding the Fourth Proportional to 122,340.42, 168,821.04 and 67,895.51

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Solution

The fourth proportional to 122,340.42, 168,821.04 and 67,895.51 is: 93,690.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,340.42 : 168,821.04 = 67,895.51 : x
  2. Step 2: Convert to fraction form
    122,340.42/168,821.04 = 67,895.51/x
  3. Step 3: Cross multiply
    122,340.42x = 168,821.04 × 67,895.51
  4. Step 4: Simplify right side
    122,340.42x = 11,462,190,609.53
  5. Step 5: Solve for x
    x = 11,462,190,609.53/122,340.42
  6. Step 6: Final answer
    x = 93,690.95

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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.