Home / 105,749.88-145,935.06-58,003.62

Finding the Fourth Proportional to 105,749.88, 145,935.06 and 58,003.62

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Solution

The fourth proportional to 105,749.88, 145,935.06 and 58,003.62 is: 80,045.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,749.88 : 145,935.06 = 58,003.62 : x
  2. Step 2: Convert to fraction form
    105,749.88/145,935.06 = 58,003.62/x
  3. Step 3: Cross multiply
    105,749.88x = 145,935.06 × 58,003.62
  4. Step 4: Simplify right side
    105,749.88x = 8,464,761,764.92
  5. Step 5: Solve for x
    x = 8,464,761,764.92/105,749.88
  6. Step 6: Final answer
    x = 80,045.12

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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.