Home / 132,696-183,120.48-76,111.02

Finding the Fourth Proportional to 132,696, 183,120.48 and 76,111.02

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Solution

The fourth proportional to 132,696, 183,120.48 and 76,111.02 is: 105,033.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,696 : 183,120.48 = 76,111.02 : x
  2. Step 2: Convert to fraction form
    132,696/183,120.48 = 76,111.02/x
  3. Step 3: Cross multiply
    132,696x = 183,120.48 × 76,111.02
  4. Step 4: Simplify right side
    132,696x = 13,937,486,515.69
  5. Step 5: Solve for x
    x = 13,937,486,515.69/132,696
  6. Step 6: Final answer
    x = 105,033.21

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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.