Home / 222,420.16-306,944.96-126,935.76

Finding the Fourth Proportional to 222,420.16, 306,944.96 and 126,935.76

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Solution

The fourth proportional to 222,420.16, 306,944.96 and 126,935.76 is: 175,174.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,420.16 : 306,944.96 = 126,935.76 : x
  2. Step 2: Convert to fraction form
    222,420.16/306,944.96 = 126,935.76/x
  3. Step 3: Cross multiply
    222,420.16x = 306,944.96 × 126,935.76
  4. Step 4: Simplify right side
    222,420.16x = 38,962,291,775.77
  5. Step 5: Solve for x
    x = 38,962,291,775.77/222,420.16
  6. Step 6: Final answer
    x = 175,174.28

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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.