Home / 120,881.37-166,806.52-69,897.40

Finding the Fourth Proportional to 120,881.37, 166,806.52 and 69,897.40

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Solution

The fourth proportional to 120,881.37, 166,806.52 and 69,897.40 is: 96,452.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,881.37 : 166,806.52 = 69,897.40 : x
  2. Step 2: Convert to fraction form
    120,881.37/166,806.52 = 69,897.40/x
  3. Step 3: Cross multiply
    120,881.37x = 166,806.52 × 69,897.40
  4. Step 4: Simplify right side
    120,881.37x = 11,659,341,701.56
  5. Step 5: Solve for x
    x = 11,659,341,701.56/120,881.37
  6. Step 6: Final answer
    x = 96,452.76

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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.