Home / 219,675.60-329,513.40-131,102.10

Finding the Fourth Proportional to 219,675.60, 329,513.40 and 131,102.10

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Solution

The fourth proportional to 219,675.60, 329,513.40 and 131,102.10 is: 196,653.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,675.60 : 329,513.40 = 131,102.10 : x
  2. Step 2: Convert to fraction form
    219,675.60/329,513.40 = 131,102.10/x
  3. Step 3: Cross multiply
    219,675.60x = 329,513.40 × 131,102.10
  4. Step 4: Simplify right side
    219,675.60x = 43,199,898,718.14
  5. Step 5: Solve for x
    x = 43,199,898,718.14/219,675.60
  6. Step 6: Final answer
    x = 196,653.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.