Home / 230,938.56-318,726.90-135,476.01

Finding the Fourth Proportional to 230,938.56, 318,726.90 and 135,476.01

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Solution

The fourth proportional to 230,938.56, 318,726.90 and 135,476.01 is: 186,975.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,938.56 : 318,726.90 = 135,476.01 : x
  2. Step 2: Convert to fraction form
    230,938.56/318,726.90 = 135,476.01/x
  3. Step 3: Cross multiply
    230,938.56x = 318,726.90 × 135,476.01
  4. Step 4: Simplify right side
    230,938.56x = 43,179,848,691.67
  5. Step 5: Solve for x
    x = 43,179,848,691.67/230,938.56
  6. Step 6: Final answer
    x = 186,975.48

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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.