Home / 147,364.10-203,362.44-80,296.10

Finding the Fourth Proportional to 147,364.10, 203,362.44 and 80,296.10

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Solution

The fourth proportional to 147,364.10, 203,362.44 and 80,296.10 is: 110,808.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,364.10 : 203,362.44 = 80,296.10 : x
  2. Step 2: Convert to fraction form
    147,364.10/203,362.44 = 80,296.10/x
  3. Step 3: Cross multiply
    147,364.10x = 203,362.44 × 80,296.10
  4. Step 4: Simplify right side
    147,364.10x = 16,329,209,801.67
  5. Step 5: Solve for x
    x = 16,329,209,801.67/147,364.10
  6. Step 6: Final answer
    x = 110,808.61

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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.