Home / 132,884.91-183,377.79-72,455.67

Finding the Fourth Proportional to 132,884.91, 183,377.79 and 72,455.67

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Solution

The fourth proportional to 132,884.91, 183,377.79 and 72,455.67 is: 99,986.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,884.91 : 183,377.79 = 72,455.67 : x
  2. Step 2: Convert to fraction form
    132,884.91/183,377.79 = 72,455.67/x
  3. Step 3: Cross multiply
    132,884.91x = 183,377.79 × 72,455.67
  4. Step 4: Simplify right side
    132,884.91x = 13,286,760,637.57
  5. Step 5: Solve for x
    x = 13,286,760,637.57/132,884.91
  6. Step 6: Final answer
    x = 99,986.98

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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.