Home / 132,658.80-183,086.64-76,059.36

Finding the Fourth Proportional to 132,658.80, 183,086.64 and 76,059.36

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Solution

The fourth proportional to 132,658.80, 183,086.64 and 76,059.36 is: 104,971.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,658.80 : 183,086.64 = 76,059.36 : x
  2. Step 2: Convert to fraction form
    132,658.80/183,086.64 = 76,059.36/x
  3. Step 3: Cross multiply
    132,658.80x = 183,086.64 × 76,059.36
  4. Step 4: Simplify right side
    132,658.80x = 13,925,452,662.95
  5. Step 5: Solve for x
    x = 13,925,452,662.95/132,658.80
  6. Step 6: Final answer
    x = 104,971.95

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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.