Home / 122,029.24-168,400.40-68,314.36

Finding the Fourth Proportional to 122,029.24, 168,400.40 and 68,314.36

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Solution

The fourth proportional to 122,029.24, 168,400.40 and 68,314.36 is: 94,273.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,029.24 : 168,400.40 = 68,314.36 : x
  2. Step 2: Convert to fraction form
    122,029.24/168,400.40 = 68,314.36/x
  3. Step 3: Cross multiply
    122,029.24x = 168,400.40 × 68,314.36
  4. Step 4: Simplify right side
    122,029.24x = 11,504,165,549.74
  5. Step 5: Solve for x
    x = 11,504,165,549.74/122,029.24
  6. Step 6: Final answer
    x = 94,273.84

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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.