Home / 222,767.55-307,346.40-142,221.15

Finding the Fourth Proportional to 222,767.55, 307,346.40 and 142,221.15

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Solution

The fourth proportional to 222,767.55, 307,346.40 and 142,221.15 is: 196,218.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,767.55 : 307,346.40 = 142,221.15 : x
  2. Step 2: Convert to fraction form
    222,767.55/307,346.40 = 142,221.15/x
  3. Step 3: Cross multiply
    222,767.55x = 307,346.40 × 142,221.15
  4. Step 4: Simplify right side
    222,767.55x = 43,711,158,456.36
  5. Step 5: Solve for x
    x = 43,711,158,456.36/222,767.55
  6. Step 6: Final answer
    x = 196,218.70

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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.