Home / 122,563.32-169,118.97-68,838.05

Finding the Fourth Proportional to 122,563.32, 169,118.97 and 68,838.05

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Solution

The fourth proportional to 122,563.32, 169,118.97 and 68,838.05 is: 94,986.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,563.32 : 169,118.97 = 68,838.05 : x
  2. Step 2: Convert to fraction form
    122,563.32/169,118.97 = 68,838.05/x
  3. Step 3: Cross multiply
    122,563.32x = 169,118.97 × 68,838.05
  4. Step 4: Simplify right side
    122,563.32x = 11,641,819,267.21
  5. Step 5: Solve for x
    x = 11,641,819,267.21/122,563.32
  6. Step 6: Final answer
    x = 94,986.16

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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.