Home / 136,415.34-204,555.58-82,435.62

Finding the Fourth Proportional to 136,415.34, 204,555.58 and 82,435.62

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Solution

The fourth proportional to 136,415.34, 204,555.58 and 82,435.62 is: 123,612.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,415.34 : 204,555.58 = 82,435.62 : x
  2. Step 2: Convert to fraction form
    136,415.34/204,555.58 = 82,435.62/x
  3. Step 3: Cross multiply
    136,415.34x = 204,555.58 × 82,435.62
  4. Step 4: Simplify right side
    136,415.34x = 16,862,666,622.75
  5. Step 5: Solve for x
    x = 16,862,666,622.75/136,415.34
  6. Step 6: Final answer
    x = 123,612.69

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1.5x scale

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.