Home / 105,890.24-146,130.24-58,148

Finding the Fourth Proportional to 105,890.24, 146,130.24 and 58,148

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Solution

The fourth proportional to 105,890.24, 146,130.24 and 58,148 is: 80,245.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,890.24 : 146,130.24 = 58,148 : x
  2. Step 2: Convert to fraction form
    105,890.24/146,130.24 = 58,148/x
  3. Step 3: Cross multiply
    105,890.24x = 146,130.24 × 58,148
  4. Step 4: Simplify right side
    105,890.24x = 8,497,181,195.52
  5. Step 5: Solve for x
    x = 8,497,181,195.52/105,890.24
  6. Step 6: Final answer
    x = 80,245.18

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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.