Home / 109,190.31-150,682.56-61,443.70

Finding the Fourth Proportional to 109,190.31, 150,682.56 and 61,443.70

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Solution

The fourth proportional to 109,190.31, 150,682.56 and 61,443.70 is: 84,792.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,190.31 : 150,682.56 = 61,443.70 : x
  2. Step 2: Convert to fraction form
    109,190.31/150,682.56 = 61,443.70/x
  3. Step 3: Cross multiply
    109,190.31x = 150,682.56 × 61,443.70
  4. Step 4: Simplify right side
    109,190.31x = 9,258,493,404.75
  5. Step 5: Solve for x
    x = 9,258,493,404.75/109,190.31
  6. Step 6: Final answer
    x = 84,792.27

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1.5x scale

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.