Home / 135,801.76-187,403.61-75,368.86

Finding the Fourth Proportional to 135,801.76, 187,403.61 and 75,368.86

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Solution

The fourth proportional to 135,801.76, 187,403.61 and 75,368.86 is: 104,007.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,801.76 : 187,403.61 = 75,368.86 : x
  2. Step 2: Convert to fraction form
    135,801.76/187,403.61 = 75,368.86/x
  3. Step 3: Cross multiply
    135,801.76x = 187,403.61 × 75,368.86
  4. Step 4: Simplify right side
    135,801.76x = 14,124,396,445.58
  5. Step 5: Solve for x
    x = 14,124,396,445.58/135,801.76
  6. Step 6: Final answer
    x = 104,007.46

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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.