Home / 132,922.70-183,329.61-85,180.49

Finding the Fourth Proportional to 132,922.70, 183,329.61 and 85,180.49

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Solution

The fourth proportional to 132,922.70, 183,329.61 and 85,180.49 is: 117,482.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,922.70 : 183,329.61 = 85,180.49 : x
  2. Step 2: Convert to fraction form
    132,922.70/183,329.61 = 85,180.49/x
  3. Step 3: Cross multiply
    132,922.70x = 183,329.61 × 85,180.49
  4. Step 4: Simplify right side
    132,922.70x = 15,616,105,941.86
  5. Step 5: Solve for x
    x = 15,616,105,941.86/132,922.70
  6. Step 6: Final answer
    x = 117,482.61

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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.