Home / 105,829.40-146,040-58,083.56

Finding the Fourth Proportional to 105,829.40, 146,040 and 58,083.56

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Solution

The fourth proportional to 105,829.40, 146,040 and 58,083.56 is: 80,152.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,829.40 : 146,040 = 58,083.56 : x
  2. Step 2: Convert to fraction form
    105,829.40/146,040 = 58,083.56/x
  3. Step 3: Cross multiply
    105,829.40x = 146,040 × 58,083.56
  4. Step 4: Simplify right side
    105,829.40x = 8,482,523,102.40
  5. Step 5: Solve for x
    x = 8,482,523,102.40/105,829.40
  6. Step 6: Final answer
    x = 80,152.80

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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.