Home / 122,267.40-183,401.10-43,389.60

Finding the Fourth Proportional to 122,267.40, 183,401.10 and 43,389.60

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Solution

The fourth proportional to 122,267.40, 183,401.10 and 43,389.60 is: 65,084.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,267.40 : 183,401.10 = 43,389.60 : x
  2. Step 2: Convert to fraction form
    122,267.40/183,401.10 = 43,389.60/x
  3. Step 3: Cross multiply
    122,267.40x = 183,401.10 × 43,389.60
  4. Step 4: Simplify right side
    122,267.40x = 7,957,700,368.56
  5. Step 5: Solve for x
    x = 7,957,700,368.56/122,267.40
  6. Step 6: Final answer
    x = 65,084.40

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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.