Home / 222,623.78-307,242.95-127,144.85

Finding the Fourth Proportional to 222,623.78, 307,242.95 and 127,144.85

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Solution

The fourth proportional to 222,623.78, 307,242.95 and 127,144.85 is: 175,472.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,623.78 : 307,242.95 = 127,144.85 : x
  2. Step 2: Convert to fraction form
    222,623.78/307,242.95 = 127,144.85/x
  3. Step 3: Cross multiply
    222,623.78x = 307,242.95 × 127,144.85
  4. Step 4: Simplify right side
    222,623.78x = 39,064,356,619.37
  5. Step 5: Solve for x
    x = 39,064,356,619.37/222,623.78
  6. Step 6: Final answer
    x = 175,472.53

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1.5x scale

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.