Home / 136,297.59-204,533.87-66,138.63

Finding the Fourth Proportional to 136,297.59, 204,533.87 and 66,138.63

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Solution

The fourth proportional to 136,297.59, 204,533.87 and 66,138.63 is: 99,250.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,297.59 : 204,533.87 = 66,138.63 : x
  2. Step 2: Convert to fraction form
    136,297.59/204,533.87 = 66,138.63/x
  3. Step 3: Cross multiply
    136,297.59x = 204,533.87 × 66,138.63
  4. Step 4: Simplify right side
    136,297.59x = 13,527,589,619.71
  5. Step 5: Solve for x
    x = 13,527,589,619.71/136,297.59
  6. Step 6: Final answer
    x = 99,250.39

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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.