Home / 122,356.49-183,512.85-77,851.04

Finding the Fourth Proportional to 122,356.49, 183,512.85 and 77,851.04

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Solution

The fourth proportional to 122,356.49, 183,512.85 and 77,851.04 is: 116,762.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,356.49 : 183,512.85 = 77,851.04 : x
  2. Step 2: Convert to fraction form
    122,356.49/183,512.85 = 77,851.04/x
  3. Step 3: Cross multiply
    122,356.49x = 183,512.85 × 77,851.04
  4. Step 4: Simplify right side
    122,356.49x = 14,286,665,308.30
  5. Step 5: Solve for x
    x = 14,286,665,308.30/122,356.49
  6. Step 6: Final answer
    x = 116,762.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.