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Finding the Fourth Proportional to 122,303.70, 183,455.55 and 52,190.10

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Solution

The fourth proportional to 122,303.70, 183,455.55 and 52,190.10 is: 78,285.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,303.70 : 183,455.55 = 52,190.10 : x
  2. Step 2: Convert to fraction form
    122,303.70/183,455.55 = 52,190.10/x
  3. Step 3: Cross multiply
    122,303.70x = 183,455.55 × 52,190.10
  4. Step 4: Simplify right side
    122,303.70x = 9,574,563,500.06
  5. Step 5: Solve for x
    x = 9,574,563,500.06/122,303.70
  6. Step 6: Final answer
    x = 78,285.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.