Home / 105,884.49-146,122.95-58,138.03

Finding the Fourth Proportional to 105,884.49, 146,122.95 and 58,138.03

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Solution

The fourth proportional to 105,884.49, 146,122.95 and 58,138.03 is: 80,231.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,884.49 : 146,122.95 = 58,138.03 : x
  2. Step 2: Convert to fraction form
    105,884.49/146,122.95 = 58,138.03/x
  3. Step 3: Cross multiply
    105,884.49x = 146,122.95 × 58,138.03
  4. Step 4: Simplify right side
    105,884.49x = 8,495,300,450.79
  5. Step 5: Solve for x
    x = 8,495,300,450.79/105,884.49
  6. Step 6: Final answer
    x = 80,231.77

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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.