Home / 124,782.45-172,199.88-68,193.83

Finding the Fourth Proportional to 124,782.45, 172,199.88 and 68,193.83

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Solution

The fourth proportional to 124,782.45, 172,199.88 and 68,193.83 is: 94,107.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,782.45 : 172,199.88 = 68,193.83 : x
  2. Step 2: Convert to fraction form
    124,782.45/172,199.88 = 68,193.83/x
  3. Step 3: Cross multiply
    124,782.45x = 172,199.88 × 68,193.83
  4. Step 4: Simplify right side
    124,782.45x = 11,742,969,001.77
  5. Step 5: Solve for x
    x = 11,742,969,001.77/124,782.45
  6. Step 6: Final answer
    x = 94,107.54

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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.