Home / 147,818.25-203,989.19-79,835.22

Finding the Fourth Proportional to 147,818.25, 203,989.19 and 79,835.22

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Solution

The fourth proportional to 147,818.25, 203,989.19 and 79,835.22 is: 110,172.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,818.25 : 203,989.19 = 79,835.22 : x
  2. Step 2: Convert to fraction form
    147,818.25/203,989.19 = 79,835.22/x
  3. Step 3: Cross multiply
    147,818.25x = 203,989.19 × 79,835.22
  4. Step 4: Simplify right side
    147,818.25x = 16,285,521,462.10
  5. Step 5: Solve for x
    x = 16,285,521,462.10/147,818.25
  6. Step 6: Final answer
    x = 110,172.60

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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.