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Finding the Fourth Proportional to 122,000.40, 183,000.60 and 62,951.40

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Solution

The fourth proportional to 122,000.40, 183,000.60 and 62,951.40 is: 94,427.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,000.40 : 183,000.60 = 62,951.40 : x
  2. Step 2: Convert to fraction form
    122,000.40/183,000.60 = 62,951.40/x
  3. Step 3: Cross multiply
    122,000.40x = 183,000.60 × 62,951.40
  4. Step 4: Simplify right side
    122,000.40x = 11,520,143,970.84
  5. Step 5: Solve for x
    x = 11,520,143,970.84/122,000.40
  6. Step 6: Final answer
    x = 94,427.10

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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.