Home / 105,924.21-146,174.91-57,525.80

Finding the Fourth Proportional to 105,924.21, 146,174.91 and 57,525.80

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Solution

The fourth proportional to 105,924.21, 146,174.91 and 57,525.80 is: 79,385.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,924.21 : 146,174.91 = 57,525.80 : x
  2. Step 2: Convert to fraction form
    105,924.21/146,174.91 = 57,525.80/x
  3. Step 3: Cross multiply
    105,924.21x = 146,174.91 × 57,525.80
  4. Step 4: Simplify right side
    105,924.21x = 8,408,827,619.17
  5. Step 5: Solve for x
    x = 8,408,827,619.17/105,924.21
  6. Step 6: Final answer
    x = 79,385.32

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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.