Home / 105,498.03-145,589.87-57,751.27

Finding the Fourth Proportional to 105,498.03, 145,589.87 and 57,751.27

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Solution

The fourth proportional to 105,498.03, 145,589.87 and 57,751.27 is: 79,698.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,498.03 : 145,589.87 = 57,751.27 : x
  2. Step 2: Convert to fraction form
    105,498.03/145,589.87 = 57,751.27/x
  3. Step 3: Cross multiply
    105,498.03x = 145,589.87 × 57,751.27
  4. Step 4: Simplify right side
    105,498.03x = 8,407,999,891.63
  5. Step 5: Solve for x
    x = 8,407,999,891.63/105,498.03
  6. Step 6: Final answer
    x = 79,698.17

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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.