Home / 135,739.54-187,197.82-84,756.93

Finding the Fourth Proportional to 135,739.54, 187,197.82 and 84,756.93

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Solution

The fourth proportional to 135,739.54, 187,197.82 and 84,756.93 is: 116,887.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,739.54 : 187,197.82 = 84,756.93 : x
  2. Step 2: Convert to fraction form
    135,739.54/187,197.82 = 84,756.93/x
  3. Step 3: Cross multiply
    135,739.54x = 187,197.82 × 84,756.93
  4. Step 4: Simplify right side
    135,739.54x = 15,866,312,525.89
  5. Step 5: Solve for x
    x = 15,866,312,525.89/135,739.54
  6. Step 6: Final answer
    x = 116,887.92

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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.