Home / 122,567.31-169,124.49-68,842.04

Finding the Fourth Proportional to 122,567.31, 169,124.49 and 68,842.04

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Solution

The fourth proportional to 122,567.31, 169,124.49 and 68,842.04 is: 94,991.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,567.31 : 169,124.49 = 68,842.04 : x
  2. Step 2: Convert to fraction form
    122,567.31/169,124.49 = 68,842.04/x
  3. Step 3: Cross multiply
    122,567.31x = 169,124.49 × 68,842.04
  4. Step 4: Simplify right side
    122,567.31x = 11,642,874,059.94
  5. Step 5: Solve for x
    x = 11,642,874,059.94/122,567.31
  6. Step 6: Final answer
    x = 94,991.67

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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.