Home / 136,994.37-189,035.85-75,732.31

Finding the Fourth Proportional to 136,994.37, 189,035.85 and 75,732.31

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Solution

The fourth proportional to 136,994.37, 189,035.85 and 75,732.31 is: 104,501.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,994.37 : 189,035.85 = 75,732.31 : x
  2. Step 2: Convert to fraction form
    136,994.37/189,035.85 = 75,732.31/x
  3. Step 3: Cross multiply
    136,994.37x = 189,035.85 × 75,732.31
  4. Step 4: Simplify right side
    136,994.37x = 14,316,121,593.31
  5. Step 5: Solve for x
    x = 14,316,121,593.31/136,994.37
  6. Step 6: Final answer
    x = 104,501.53

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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.