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Finding the Fourth Proportional to 122,192.40, 183,173.67 and 65,948.22

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Solution

The fourth proportional to 122,192.40, 183,173.67 and 65,948.22 is: 98,860.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,192.40 : 183,173.67 = 65,948.22 : x
  2. Step 2: Convert to fraction form
    122,192.40/183,173.67 = 65,948.22/x
  3. Step 3: Cross multiply
    122,192.40x = 183,173.67 × 65,948.22
  4. Step 4: Simplify right side
    122,192.40x = 12,079,977,487.37
  5. Step 5: Solve for x
    x = 12,079,977,487.37/122,192.40
  6. Step 6: Final answer
    x = 98,860.30

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1.5x scale

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.