Home / 89,899.56-134,849.37-30,735.78

Finding the Fourth Proportional to 89,899.56, 134,849.37 and 30,735.78

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Solution

The fourth proportional to 89,899.56, 134,849.37 and 30,735.78 is: 46,103.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,899.56 : 134,849.37 = 30,735.78 : x
  2. Step 2: Convert to fraction form
    89,899.56/134,849.37 = 30,735.78/x
  3. Step 3: Cross multiply
    89,899.56x = 134,849.37 × 30,735.78
  4. Step 4: Simplify right side
    89,899.56x = 4,144,700,569.46
  5. Step 5: Solve for x
    x = 4,144,700,569.46/89,899.56
  6. Step 6: Final answer
    x = 46,103.68

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1.5x scale

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.