Home / 143,565.21-198,031.77-92,558.97

Finding the Fourth Proportional to 143,565.21, 198,031.77 and 92,558.97

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Solution

The fourth proportional to 143,565.21, 198,031.77 and 92,558.97 is: 127,674.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,565.21 : 198,031.77 = 92,558.97 : x
  2. Step 2: Convert to fraction form
    143,565.21/198,031.77 = 92,558.97/x
  3. Step 3: Cross multiply
    143,565.21x = 198,031.77 × 92,558.97
  4. Step 4: Simplify right side
    143,565.21x = 18,329,616,658.48
  5. Step 5: Solve for x
    x = 18,329,616,658.48/143,565.21
  6. Step 6: Final answer
    x = 127,674.50

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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.