Home / 139,933.44-193,108.19-76,271.22

Finding the Fourth Proportional to 139,933.44, 193,108.19 and 76,271.22

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Solution

The fourth proportional to 139,933.44, 193,108.19 and 76,271.22 is: 105,254.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,933.44 : 193,108.19 = 76,271.22 : x
  2. Step 2: Convert to fraction form
    139,933.44/193,108.19 = 76,271.22/x
  3. Step 3: Cross multiply
    139,933.44x = 193,108.19 × 76,271.22
  4. Step 4: Simplify right side
    139,933.44x = 14,728,596,861.94
  5. Step 5: Solve for x
    x = 14,728,596,861.94/139,933.44
  6. Step 6: Final answer
    x = 105,254.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.