Home / 104,058.41-143,600.97-56,311.75

Finding the Fourth Proportional to 104,058.41, 143,600.97 and 56,311.75

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Solution

The fourth proportional to 104,058.41, 143,600.97 and 56,311.75 is: 77,710.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,058.41 : 143,600.97 = 56,311.75 : x
  2. Step 2: Convert to fraction form
    104,058.41/143,600.97 = 56,311.75/x
  3. Step 3: Cross multiply
    104,058.41x = 143,600.97 × 56,311.75
  4. Step 4: Simplify right side
    104,058.41x = 8,086,421,063.61
  5. Step 5: Solve for x
    x = 8,086,421,063.61/104,058.41
  6. Step 6: Final answer
    x = 77,710.40

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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.