Home / 134,103.60-185,149.53-83,170.44

Finding the Fourth Proportional to 134,103.60, 185,149.53 and 83,170.44

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Solution

The fourth proportional to 134,103.60, 185,149.53 and 83,170.44 is: 114,828.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,103.60 : 185,149.53 = 83,170.44 : x
  2. Step 2: Convert to fraction form
    134,103.60/185,149.53 = 83,170.44/x
  3. Step 3: Cross multiply
    134,103.60x = 185,149.53 × 83,170.44
  4. Step 4: Simplify right side
    134,103.60x = 15,398,967,875.89
  5. Step 5: Solve for x
    x = 15,398,967,875.89/134,103.60
  6. Step 6: Final answer
    x = 114,828.89

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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.