Home / 105,880.36-146,115.15-58,136.79

Finding the Fourth Proportional to 105,880.36, 146,115.15 and 58,136.79

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Solution

The fourth proportional to 105,880.36, 146,115.15 and 58,136.79 is: 80,228.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,880.36 : 146,115.15 = 58,136.79 : x
  2. Step 2: Convert to fraction form
    105,880.36/146,115.15 = 58,136.79/x
  3. Step 3: Cross multiply
    105,880.36x = 146,115.15 × 58,136.79
  4. Step 4: Simplify right side
    105,880.36x = 8,494,665,791.37
  5. Step 5: Solve for x
    x = 8,494,665,791.37/105,880.36
  6. Step 6: Final answer
    x = 80,228.91

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1.5x scale

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.