Home / 136,074.18-187,768.11-75,635.07

Finding the Fourth Proportional to 136,074.18, 187,768.11 and 75,635.07

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Solution

The fourth proportional to 136,074.18, 187,768.11 and 75,635.07 is: 104,368.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,074.18 : 187,768.11 = 75,635.07 : x
  2. Step 2: Convert to fraction form
    136,074.18/187,768.11 = 75,635.07/x
  3. Step 3: Cross multiply
    136,074.18x = 187,768.11 × 75,635.07
  4. Step 4: Simplify right side
    136,074.18x = 14,201,854,143.62
  5. Step 5: Solve for x
    x = 14,201,854,143.62/136,074.18
  6. Step 6: Final answer
    x = 104,368.47

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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.