Home / 222,958.09-307,937.70-146,817.58

Finding the Fourth Proportional to 222,958.09, 307,937.70 and 146,817.58

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Solution

The fourth proportional to 222,958.09, 307,937.70 and 146,817.58 is: 202,776.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,958.09 : 307,937.70 = 146,817.58 : x
  2. Step 2: Convert to fraction form
    222,958.09/307,937.70 = 146,817.58/x
  3. Step 3: Cross multiply
    222,958.09x = 307,937.70 × 146,817.58
  4. Step 4: Simplify right side
    222,958.09x = 45,210,667,904.77
  5. Step 5: Solve for x
    x = 45,210,667,904.77/222,958.09
  6. Step 6: Final answer
    x = 202,776.53

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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.