Home / 143,223.93-197,627.08-82,782.93

Finding the Fourth Proportional to 143,223.93, 197,627.08 and 82,782.93

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Solution

The fourth proportional to 143,223.93, 197,627.08 and 82,782.93 is: 114,227.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,223.93 : 197,627.08 = 82,782.93 : x
  2. Step 2: Convert to fraction form
    143,223.93/197,627.08 = 82,782.93/x
  3. Step 3: Cross multiply
    143,223.93x = 197,627.08 × 82,782.93
  4. Step 4: Simplify right side
    143,223.93x = 16,360,148,729.74
  5. Step 5: Solve for x
    x = 16,360,148,729.74/143,223.93
  6. Step 6: Final answer
    x = 114,227.76

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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.