Home / 122,035.95-168,390.18-68,323.23

Finding the Fourth Proportional to 122,035.95, 168,390.18 and 68,323.23

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Solution

The fourth proportional to 122,035.95, 168,390.18 and 68,323.23 is: 94,275.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,035.95 : 168,390.18 = 68,323.23 : x
  2. Step 2: Convert to fraction form
    122,035.95/168,390.18 = 68,323.23/x
  3. Step 3: Cross multiply
    122,035.95x = 168,390.18 × 68,323.23
  4. Step 4: Simplify right side
    122,035.95x = 11,504,960,997.88
  5. Step 5: Solve for x
    x = 11,504,960,997.88/122,035.95
  6. Step 6: Final answer
    x = 94,275.18

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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.