Home / 122,556.30-183,834.45-69,971.10

Finding the Fourth Proportional to 122,556.30, 183,834.45 and 69,971.10

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Solution

The fourth proportional to 122,556.30, 183,834.45 and 69,971.10 is: 104,956.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,556.30 : 183,834.45 = 69,971.10 : x
  2. Step 2: Convert to fraction form
    122,556.30/183,834.45 = 69,971.10/x
  3. Step 3: Cross multiply
    122,556.30x = 183,834.45 × 69,971.10
  4. Step 4: Simplify right side
    122,556.30x = 12,863,098,684.40
  5. Step 5: Solve for x
    x = 12,863,098,684.40/122,556.30
  6. Step 6: Final answer
    x = 104,956.65

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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.