Home / 143,971.40-215,957.10-96,732.20

Finding the Fourth Proportional to 143,971.40, 215,957.10 and 96,732.20

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Solution

The fourth proportional to 143,971.40, 215,957.10 and 96,732.20 is: 145,098.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,971.40 : 215,957.10 = 96,732.20 : x
  2. Step 2: Convert to fraction form
    143,971.40/215,957.10 = 96,732.20/x
  3. Step 3: Cross multiply
    143,971.40x = 215,957.10 × 96,732.20
  4. Step 4: Simplify right side
    143,971.40x = 20,890,005,388.62
  5. Step 5: Solve for x
    x = 20,890,005,388.62/143,971.40
  6. Step 6: Final answer
    x = 145,098.30

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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.