Home / 105,446.36-145,524.60-60,138.59

Finding the Fourth Proportional to 105,446.36, 145,524.60 and 60,138.59

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Solution

The fourth proportional to 105,446.36, 145,524.60 and 60,138.59 is: 82,996.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,446.36 : 145,524.60 = 60,138.59 : x
  2. Step 2: Convert to fraction form
    105,446.36/145,524.60 = 60,138.59/x
  3. Step 3: Cross multiply
    105,446.36x = 145,524.60 × 60,138.59
  4. Step 4: Simplify right side
    105,446.36x = 8,751,643,526.69
  5. Step 5: Solve for x
    x = 8,751,643,526.69/105,446.36
  6. Step 6: Final answer
    x = 82,996.16

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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.