Home / 132,945.12-183,459.78-79,202.34

Finding the Fourth Proportional to 132,945.12, 183,459.78 and 79,202.34

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Solution

The fourth proportional to 132,945.12, 183,459.78 and 79,202.34 is: 109,296.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,945.12 : 183,459.78 = 79,202.34 : x
  2. Step 2: Convert to fraction form
    132,945.12/183,459.78 = 79,202.34/x
  3. Step 3: Cross multiply
    132,945.12x = 183,459.78 × 79,202.34
  4. Step 4: Simplify right side
    132,945.12x = 14,530,443,871.89
  5. Step 5: Solve for x
    x = 14,530,443,871.89/132,945.12
  6. Step 6: Final answer
    x = 109,296.56

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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.