Home / 114,518.18-171,789.04-39,638.20

Finding the Fourth Proportional to 114,518.18, 171,789.04 and 39,638.20

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Solution

The fourth proportional to 114,518.18, 171,789.04 and 39,638.20 is: 59,461.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,518.18 : 171,789.04 = 39,638.20 : x
  2. Step 2: Convert to fraction form
    114,518.18/171,789.04 = 39,638.20/x
  3. Step 3: Cross multiply
    114,518.18x = 171,789.04 × 39,638.20
  4. Step 4: Simplify right side
    114,518.18x = 6,809,408,325.33
  5. Step 5: Solve for x
    x = 6,809,408,325.33/114,518.18
  6. Step 6: Final answer
    x = 59,461.37

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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.