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Finding the Fourth Proportional to 132,634.80, 183,053.52 and 76,035.24

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Solution

The fourth proportional to 132,634.80, 183,053.52 and 76,035.24 is: 104,938.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,634.80 : 183,053.52 = 76,035.24 : x
  2. Step 2: Convert to fraction form
    132,634.80/183,053.52 = 76,035.24/x
  3. Step 3: Cross multiply
    132,634.80x = 183,053.52 × 76,035.24
  4. Step 4: Simplify right side
    132,634.80x = 13,918,518,326.04
  5. Step 5: Solve for x
    x = 13,918,518,326.04/132,634.80
  6. Step 6: Final answer
    x = 104,938.66

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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.