Home / 135,732.44-187,311.90-75,307.06

Finding the Fourth Proportional to 135,732.44, 187,311.90 and 75,307.06

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Solution

The fourth proportional to 135,732.44, 187,311.90 and 75,307.06 is: 103,924.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,732.44 : 187,311.90 = 75,307.06 : x
  2. Step 2: Convert to fraction form
    135,732.44/187,311.90 = 75,307.06/x
  3. Step 3: Cross multiply
    135,732.44x = 187,311.90 × 75,307.06
  4. Step 4: Simplify right side
    135,732.44x = 14,105,908,492.01
  5. Step 5: Solve for x
    x = 14,105,908,492.01/135,732.44
  6. Step 6: Final answer
    x = 103,924.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.