Home / 147,534.72-203,600.16-80,466.72

Finding the Fourth Proportional to 147,534.72, 203,600.16 and 80,466.72

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Solution

The fourth proportional to 147,534.72, 203,600.16 and 80,466.72 is: 111,045.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,534.72 : 203,600.16 = 80,466.72 : x
  2. Step 2: Convert to fraction form
    147,534.72/203,600.16 = 80,466.72/x
  3. Step 3: Cross multiply
    147,534.72x = 203,600.16 × 80,466.72
  4. Step 4: Simplify right side
    147,534.72x = 16,383,037,066.68
  5. Step 5: Solve for x
    x = 16,383,037,066.68/147,534.72
  6. Step 6: Final answer
    x = 111,045.30

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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.