Home / 136,187.40-204,313.83-42,693.15

Finding the Fourth Proportional to 136,187.40, 204,313.83 and 42,693.15

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Solution

The fourth proportional to 136,187.40, 204,313.83 and 42,693.15 is: 64,049.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,187.40 : 204,313.83 = 42,693.15 : x
  2. Step 2: Convert to fraction form
    136,187.40/204,313.83 = 42,693.15/x
  3. Step 3: Cross multiply
    136,187.40x = 204,313.83 × 42,693.15
  4. Step 4: Simplify right side
    136,187.40x = 8,722,800,991.26
  5. Step 5: Solve for x
    x = 8,722,800,991.26/136,187.40
  6. Step 6: Final answer
    x = 64,049.99

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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.