Home / 238,928.83-329,704.79-142,127.35

Finding the Fourth Proportional to 238,928.83, 329,704.79 and 142,127.35

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Solution

The fourth proportional to 238,928.83, 329,704.79 and 142,127.35 is: 196,125.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,928.83 : 329,704.79 = 142,127.35 : x
  2. Step 2: Convert to fraction form
    238,928.83/329,704.79 = 142,127.35/x
  3. Step 3: Cross multiply
    238,928.83x = 329,704.79 × 142,127.35
  4. Step 4: Simplify right side
    238,928.83x = 46,860,066,550.11
  5. Step 5: Solve for x
    x = 46,860,066,550.11/238,928.83
  6. Step 6: Final answer
    x = 196,125.63

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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.