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Finding the Fourth Proportional to 147,504.82, 221,089.78 and 129,701.02

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Solution

The fourth proportional to 147,504.82, 221,089.78 and 129,701.02 is: 194,404.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,504.82 : 221,089.78 = 129,701.02 : x
  2. Step 2: Convert to fraction form
    147,504.82/221,089.78 = 129,701.02/x
  3. Step 3: Cross multiply
    147,504.82x = 221,089.78 × 129,701.02
  4. Step 4: Simplify right side
    147,504.82x = 28,675,569,977.58
  5. Step 5: Solve for x
    x = 28,675,569,977.58/147,504.82
  6. Step 6: Final answer
    x = 194,404.29

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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.