Home / 112,921.62-155,440.70-97,601.18

Finding the Fourth Proportional to 112,921.62, 155,440.70 and 97,601.18

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Solution

The fourth proportional to 112,921.62, 155,440.70 and 97,601.18 is: 134,351.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,921.62 : 155,440.70 = 97,601.18 : x
  2. Step 2: Convert to fraction form
    112,921.62/155,440.70 = 97,601.18/x
  3. Step 3: Cross multiply
    112,921.62x = 155,440.70 × 97,601.18
  4. Step 4: Simplify right side
    112,921.62x = 15,171,195,740.03
  5. Step 5: Solve for x
    x = 15,171,195,740.03/112,921.62
  6. Step 6: Final answer
    x = 134,351.56

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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.