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Finding the Fourth Proportional to 122,075.77, 182,966.03 and 62,879.15

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Solution

The fourth proportional to 122,075.77, 182,966.03 and 62,879.15 is: 94,242.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,075.77 : 182,966.03 = 62,879.15 : x
  2. Step 2: Convert to fraction form
    122,075.77/182,966.03 = 62,879.15/x
  3. Step 3: Cross multiply
    122,075.77x = 182,966.03 × 62,879.15
  4. Step 4: Simplify right side
    122,075.77x = 11,504,747,373.25
  5. Step 5: Solve for x
    x = 11,504,747,373.25/122,075.77
  6. Step 6: Final answer
    x = 94,242.68

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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.