Home / 143,291.30-197,771.18-98,094.20

Finding the Fourth Proportional to 143,291.30, 197,771.18 and 98,094.20

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Solution

The fourth proportional to 143,291.30, 197,771.18 and 98,094.20 is: 135,389.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,291.30 : 197,771.18 = 98,094.20 : x
  2. Step 2: Convert to fraction form
    143,291.30/197,771.18 = 98,094.20/x
  3. Step 3: Cross multiply
    143,291.30x = 197,771.18 × 98,094.20
  4. Step 4: Simplify right side
    143,291.30x = 19,400,204,205.83
  5. Step 5: Solve for x
    x = 19,400,204,205.83/143,291.30
  6. Step 6: Final answer
    x = 135,389.97

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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.