Home / 136,436.37-204,276.69-69,732.87

Finding the Fourth Proportional to 136,436.37, 204,276.69 and 69,732.87

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Solution

The fourth proportional to 136,436.37, 204,276.69 and 69,732.87 is: 104,406.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,436.37 : 204,276.69 = 69,732.87 : x
  2. Step 2: Convert to fraction form
    136,436.37/204,276.69 = 69,732.87/x
  3. Step 3: Cross multiply
    136,436.37x = 204,276.69 × 69,732.87
  4. Step 4: Simplify right side
    136,436.37x = 14,244,799,867.80
  5. Step 5: Solve for x
    x = 14,244,799,867.80/136,436.37
  6. Step 6: Final answer
    x = 104,406.18

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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.