Home / 222,917.91-307,626.69-127,426.67

Finding the Fourth Proportional to 222,917.91, 307,626.69 and 127,426.67

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Solution

The fourth proportional to 222,917.91, 307,626.69 and 127,426.67 is: 175,848.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,917.91 : 307,626.69 = 127,426.67 : x
  2. Step 2: Convert to fraction form
    222,917.91/307,626.69 = 127,426.67/x
  3. Step 3: Cross multiply
    222,917.91x = 307,626.69 × 127,426.67
  4. Step 4: Simplify right side
    222,917.91x = 39,199,845,478.89
  5. Step 5: Solve for x
    x = 39,199,845,478.89/222,917.91
  6. Step 6: Final answer
    x = 175,848.79

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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.