Home / 231,010.84-318,800.16-135,586.36

Finding the Fourth Proportional to 231,010.84, 318,800.16 and 135,586.36

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Solution

The fourth proportional to 231,010.84, 318,800.16 and 135,586.36 is: 187,112.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,010.84 : 318,800.16 = 135,586.36 : x
  2. Step 2: Convert to fraction form
    231,010.84/318,800.16 = 135,586.36/x
  3. Step 3: Cross multiply
    231,010.84x = 318,800.16 × 135,586.36
  4. Step 4: Simplify right side
    231,010.84x = 43,224,953,261.82
  5. Step 5: Solve for x
    x = 43,224,953,261.82/231,010.84
  6. Step 6: Final answer
    x = 187,112.23

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1.5x scale

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.