Home / 136,190.64-204,285.30-34,988.61

Finding the Fourth Proportional to 136,190.64, 204,285.30 and 34,988.61

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Solution

The fourth proportional to 136,190.64, 204,285.30 and 34,988.61 is: 52,482.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,190.64 : 204,285.30 = 34,988.61 : x
  2. Step 2: Convert to fraction form
    136,190.64/204,285.30 = 34,988.61/x
  3. Step 3: Cross multiply
    136,190.64x = 204,285.30 × 34,988.61
  4. Step 4: Simplify right side
    136,190.64x = 7,147,658,690.43
  5. Step 5: Solve for x
    x = 7,147,658,690.43/136,190.64
  6. Step 6: Final answer
    x = 52,482.75

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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.