Home / 135,710.44-187,281.54-75,285.02

Finding the Fourth Proportional to 135,710.44, 187,281.54 and 75,285.02

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Solution

The fourth proportional to 135,710.44, 187,281.54 and 75,285.02 is: 103,893.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,710.44 : 187,281.54 = 75,285.02 : x
  2. Step 2: Convert to fraction form
    135,710.44/187,281.54 = 75,285.02/x
  3. Step 3: Cross multiply
    135,710.44x = 187,281.54 × 75,285.02
  4. Step 4: Simplify right side
    135,710.44x = 14,099,494,484.53
  5. Step 5: Solve for x
    x = 14,099,494,484.53/135,710.44
  6. Step 6: Final answer
    x = 103,893.96

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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.