Home / 242,942.80-335,261.60-135,510.08

Finding the Fourth Proportional to 242,942.80, 335,261.60 and 135,510.08

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Solution

The fourth proportional to 242,942.80, 335,261.60 and 135,510.08 is: 187,004.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,942.80 : 335,261.60 = 135,510.08 : x
  2. Step 2: Convert to fraction form
    242,942.80/335,261.60 = 135,510.08/x
  3. Step 3: Cross multiply
    242,942.80x = 335,261.60 × 135,510.08
  4. Step 4: Simplify right side
    242,942.80x = 45,431,326,236.93
  5. Step 5: Solve for x
    x = 45,431,326,236.93/242,942.80
  6. Step 6: Final answer
    x = 187,004.21

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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.