Home / 102,704.20-154,056.30-98,816.20

Finding the Fourth Proportional to 102,704.20, 154,056.30 and 98,816.20

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Solution

The fourth proportional to 102,704.20, 154,056.30 and 98,816.20 is: 148,224.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,704.20 : 154,056.30 = 98,816.20 : x
  2. Step 2: Convert to fraction form
    102,704.20/154,056.30 = 98,816.20/x
  3. Step 3: Cross multiply
    102,704.20x = 154,056.30 × 98,816.20
  4. Step 4: Simplify right side
    102,704.20x = 15,223,258,152.06
  5. Step 5: Solve for x
    x = 15,223,258,152.06/102,704.20
  6. Step 6: Final answer
    x = 148,224.30

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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.