Home / 136,318.77-204,480.87-36,478.80

Finding the Fourth Proportional to 136,318.77, 204,480.87 and 36,478.80

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Solution

The fourth proportional to 136,318.77, 204,480.87 and 36,478.80 is: 54,718.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,318.77 : 204,480.87 = 36,478.80 : x
  2. Step 2: Convert to fraction form
    136,318.77/204,480.87 = 36,478.80/x
  3. Step 3: Cross multiply
    136,318.77x = 204,480.87 × 36,478.80
  4. Step 4: Simplify right side
    136,318.77x = 7,459,216,760.56
  5. Step 5: Solve for x
    x = 7,459,216,760.56/136,318.77
  6. Step 6: Final answer
    x = 54,718.93

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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.