Home / 132,922.98-183,330-85,180.77

Finding the Fourth Proportional to 132,922.98, 183,330 and 85,180.77

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Solution

The fourth proportional to 132,922.98, 183,330 and 85,180.77 is: 117,483.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,922.98 : 183,330 = 85,180.77 : x
  2. Step 2: Convert to fraction form
    132,922.98/183,330 = 85,180.77/x
  3. Step 3: Cross multiply
    132,922.98x = 183,330 × 85,180.77
  4. Step 4: Simplify right side
    132,922.98x = 15,616,190,564.10
  5. Step 5: Solve for x
    x = 15,616,190,564.10/132,922.98
  6. Step 6: Final answer
    x = 117,483.00

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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.