Home / 141,130.89-194,672.04-83,729.58

Finding the Fourth Proportional to 141,130.89, 194,672.04 and 83,729.58

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Solution

The fourth proportional to 141,130.89, 194,672.04 and 83,729.58 is: 115,494.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,130.89 : 194,672.04 = 83,729.58 : x
  2. Step 2: Convert to fraction form
    141,130.89/194,672.04 = 83,729.58/x
  3. Step 3: Cross multiply
    141,130.89x = 194,672.04 × 83,729.58
  4. Step 4: Simplify right side
    141,130.89x = 16,299,808,146.94
  5. Step 5: Solve for x
    x = 16,299,808,146.94/141,130.89
  6. Step 6: Final answer
    x = 115,494.26

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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.