Home / 236,814.72-326,787.26-129,361.94

Finding the Fourth Proportional to 236,814.72, 326,787.26 and 129,361.94

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Solution

The fourth proportional to 236,814.72, 326,787.26 and 129,361.94 is: 178,510.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,814.72 : 326,787.26 = 129,361.94 : x
  2. Step 2: Convert to fraction form
    236,814.72/326,787.26 = 129,361.94/x
  3. Step 3: Cross multiply
    236,814.72x = 326,787.26 × 129,361.94
  4. Step 4: Simplify right side
    236,814.72x = 42,273,834,091.04
  5. Step 5: Solve for x
    x = 42,273,834,091.04/236,814.72
  6. Step 6: Final answer
    x = 178,510.16

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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.