Home / 135,453.84-203,199.81-56,550.12

Finding the Fourth Proportional to 135,453.84, 203,199.81 and 56,550.12

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Solution

The fourth proportional to 135,453.84, 203,199.81 and 56,550.12 is: 84,833.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,453.84 : 203,199.81 = 56,550.12 : x
  2. Step 2: Convert to fraction form
    135,453.84/203,199.81 = 56,550.12/x
  3. Step 3: Cross multiply
    135,453.84x = 203,199.81 × 56,550.12
  4. Step 4: Simplify right side
    135,453.84x = 11,490,973,639.48
  5. Step 5: Solve for x
    x = 11,490,973,639.48/135,453.84
  6. Step 6: Final answer
    x = 84,833.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.