Home / 143,895.40-215,940.30-93,853.60

Finding the Fourth Proportional to 143,895.40, 215,940.30 and 93,853.60

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Solution

The fourth proportional to 143,895.40, 215,940.30 and 93,853.60 is: 140,843.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,895.40 : 215,940.30 = 93,853.60 : x
  2. Step 2: Convert to fraction form
    143,895.40/215,940.30 = 93,853.60/x
  3. Step 3: Cross multiply
    143,895.40x = 215,940.30 × 93,853.60
  4. Step 4: Simplify right side
    143,895.40x = 20,266,774,540.08
  5. Step 5: Solve for x
    x = 20,266,774,540.08/143,895.40
  6. Step 6: Final answer
    x = 140,843.80

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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.