Home / 105,919.18-146,169.47-58,173.50

Finding the Fourth Proportional to 105,919.18, 146,169.47 and 58,173.50

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Solution

The fourth proportional to 105,919.18, 146,169.47 and 58,173.50 is: 80,279.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,919.18 : 146,169.47 = 58,173.50 : x
  2. Step 2: Convert to fraction form
    105,919.18/146,169.47 = 58,173.50/x
  3. Step 3: Cross multiply
    105,919.18x = 146,169.47 × 58,173.50
  4. Step 4: Simplify right side
    105,919.18x = 8,503,189,663.05
  5. Step 5: Solve for x
    x = 8,503,189,663.05/105,919.18
  6. Step 6: Final answer
    x = 80,279.98

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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.