Home / 122,012.12-168,380.27-68,295.76

Finding the Fourth Proportional to 122,012.12, 168,380.27 and 68,295.76

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Solution

The fourth proportional to 122,012.12, 168,380.27 and 68,295.76 is: 94,250.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,012.12 : 168,380.27 = 68,295.76 : x
  2. Step 2: Convert to fraction form
    122,012.12/168,380.27 = 68,295.76/x
  3. Step 3: Cross multiply
    122,012.12x = 168,380.27 × 68,295.76
  4. Step 4: Simplify right side
    122,012.12x = 11,499,658,002.33
  5. Step 5: Solve for x
    x = 11,499,658,002.33/122,012.12
  6. Step 6: Final answer
    x = 94,250.13

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1.5x scale

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.