Home / 132,334.81-182,601.48-78,618.45

Finding the Fourth Proportional to 132,334.81, 182,601.48 and 78,618.45

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Solution

The fourth proportional to 132,334.81, 182,601.48 and 78,618.45 is: 108,481.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,334.81 : 182,601.48 = 78,618.45 : x
  2. Step 2: Convert to fraction form
    132,334.81/182,601.48 = 78,618.45/x
  3. Step 3: Cross multiply
    132,334.81x = 182,601.48 × 78,618.45
  4. Step 4: Simplify right side
    132,334.81x = 14,355,844,412.30
  5. Step 5: Solve for x
    x = 14,355,844,412.30/132,334.81
  6. Step 6: Final answer
    x = 108,481.24

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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.