Home / 222,624.78-307,244.33-127,145.85

Finding the Fourth Proportional to 222,624.78, 307,244.33 and 127,145.85

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Solution

The fourth proportional to 222,624.78, 307,244.33 and 127,145.85 is: 175,473.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,624.78 : 307,244.33 = 127,145.85 : x
  2. Step 2: Convert to fraction form
    222,624.78/307,244.33 = 127,145.85/x
  3. Step 3: Cross multiply
    222,624.78x = 307,244.33 × 127,145.85
  4. Step 4: Simplify right side
    222,624.78x = 39,064,841,495.53
  5. Step 5: Solve for x
    x = 39,064,841,495.53/222,624.78
  6. Step 6: Final answer
    x = 175,473.91

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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.