Home / 133,742.05-200,502.51-104,290.45

Finding the Fourth Proportional to 133,742.05, 200,502.51 and 104,290.45

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Solution

The fourth proportional to 133,742.05, 200,502.51 and 104,290.45 is: 156,349.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,742.05 : 200,502.51 = 104,290.45 : x
  2. Step 2: Convert to fraction form
    133,742.05/200,502.51 = 104,290.45/x
  3. Step 3: Cross multiply
    133,742.05x = 200,502.51 × 104,290.45
  4. Step 4: Simplify right side
    133,742.05x = 20,910,496,994.03
  5. Step 5: Solve for x
    x = 20,910,496,994.03/133,742.05
  6. Step 6: Final answer
    x = 156,349.46

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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.