Home / 122,094.96-168,517.08-71,822.64

Finding the Fourth Proportional to 122,094.96, 168,517.08 and 71,822.64

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Solution

The fourth proportional to 122,094.96, 168,517.08 and 71,822.64 is: 99,130.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,094.96 : 168,517.08 = 71,822.64 : x
  2. Step 2: Convert to fraction form
    122,094.96/168,517.08 = 71,822.64/x
  3. Step 3: Cross multiply
    122,094.96x = 168,517.08 × 71,822.64
  4. Step 4: Simplify right side
    122,094.96x = 12,103,341,570.69
  5. Step 5: Solve for x
    x = 12,103,341,570.69/122,094.96
  6. Step 6: Final answer
    x = 99,130.56

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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.