Home / 122,119.56-168,525.90-68,405.22

Finding the Fourth Proportional to 122,119.56, 168,525.90 and 68,405.22

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Solution

The fourth proportional to 122,119.56, 168,525.90 and 68,405.22 is: 94,399.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,119.56 : 168,525.90 = 68,405.22 : x
  2. Step 2: Convert to fraction form
    122,119.56/168,525.90 = 68,405.22/x
  3. Step 3: Cross multiply
    122,119.56x = 168,525.90 × 68,405.22
  4. Step 4: Simplify right side
    122,119.56x = 11,528,051,265.20
  5. Step 5: Solve for x
    x = 11,528,051,265.20/122,119.56
  6. Step 6: Final answer
    x = 94,399.71

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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.