Home / 143,355.72-197,919.36-92,386.44

Finding the Fourth Proportional to 143,355.72, 197,919.36 and 92,386.44

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Solution

The fourth proportional to 143,355.72, 197,919.36 and 92,386.44 is: 127,550.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,355.72 : 197,919.36 = 92,386.44 : x
  2. Step 2: Convert to fraction form
    143,355.72/197,919.36 = 92,386.44/x
  3. Step 3: Cross multiply
    143,355.72x = 197,919.36 × 92,386.44
  4. Step 4: Simplify right side
    143,355.72x = 18,285,065,077.48
  5. Step 5: Solve for x
    x = 18,285,065,077.48/143,355.72
  6. Step 6: Final answer
    x = 127,550.30

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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.