Home / 134,739.20-202,181.70-55,861.40

Finding the Fourth Proportional to 134,739.20, 202,181.70 and 55,861.40

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Solution

The fourth proportional to 134,739.20, 202,181.70 and 55,861.40 is: 83,822.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,739.20 : 202,181.70 = 55,861.40 : x
  2. Step 2: Convert to fraction form
    134,739.20/202,181.70 = 55,861.40/x
  3. Step 3: Cross multiply
    134,739.20x = 202,181.70 × 55,861.40
  4. Step 4: Simplify right side
    134,739.20x = 11,294,152,816.38
  5. Step 5: Solve for x
    x = 11,294,152,816.38/134,739.20
  6. Step 6: Final answer
    x = 83,822.32

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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.