Home / 142,964.20-214,446.30-98,727.40

Finding the Fourth Proportional to 142,964.20, 214,446.30 and 98,727.40

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Solution

The fourth proportional to 142,964.20, 214,446.30 and 98,727.40 is: 148,091.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,964.20 : 214,446.30 = 98,727.40 : x
  2. Step 2: Convert to fraction form
    142,964.20/214,446.30 = 98,727.40/x
  3. Step 3: Cross multiply
    142,964.20x = 214,446.30 × 98,727.40
  4. Step 4: Simplify right side
    142,964.20x = 21,171,725,638.62
  5. Step 5: Solve for x
    x = 21,171,725,638.62/142,964.20
  6. Step 6: Final answer
    x = 148,091.10

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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.