Home / 135,219.32-186,601.56-74,792.54

Finding the Fourth Proportional to 135,219.32, 186,601.56 and 74,792.54

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Solution

The fourth proportional to 135,219.32, 186,601.56 and 74,792.54 is: 103,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,219.32 : 186,601.56 = 74,792.54 : x
  2. Step 2: Convert to fraction form
    135,219.32/186,601.56 = 74,792.54/x
  3. Step 3: Cross multiply
    135,219.32x = 186,601.56 × 74,792.54
  4. Step 4: Simplify right side
    135,219.32x = 13,956,404,640.36
  5. Step 5: Solve for x
    x = 13,956,404,640.36/135,219.32
  6. Step 6: Final answer
    x = 103,213.10

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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.