Home / 132,918.03-183,425.58-76,329.81

Finding the Fourth Proportional to 132,918.03, 183,425.58 and 76,329.81

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Solution

The fourth proportional to 132,918.03, 183,425.58 and 76,329.81 is: 105,334.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,918.03 : 183,425.58 = 76,329.81 : x
  2. Step 2: Convert to fraction form
    132,918.03/183,425.58 = 76,329.81/x
  3. Step 3: Cross multiply
    132,918.03x = 183,425.58 × 76,329.81
  4. Step 4: Simplify right side
    132,918.03x = 14,000,839,670.54
  5. Step 5: Solve for x
    x = 14,000,839,670.54/132,918.03
  6. Step 6: Final answer
    x = 105,334.39

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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.