Home / 222,655.17-307,231.34-135,395.76

Finding the Fourth Proportional to 222,655.17, 307,231.34 and 135,395.76

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Solution

The fourth proportional to 222,655.17, 307,231.34 and 135,395.76 is: 186,826.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,655.17 : 307,231.34 = 135,395.76 : x
  2. Step 2: Convert to fraction form
    222,655.17/307,231.34 = 135,395.76/x
  3. Step 3: Cross multiply
    222,655.17x = 307,231.34 × 135,395.76
  4. Step 4: Simplify right side
    222,655.17x = 41,597,820,098.14
  5. Step 5: Solve for x
    x = 41,597,820,098.14/222,655.17
  6. Step 6: Final answer
    x = 186,826.20

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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.