Home / 122,571.63-169,211.84-84,780.27

Finding the Fourth Proportional to 122,571.63, 169,211.84 and 84,780.27

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Solution

The fourth proportional to 122,571.63, 169,211.84 and 84,780.27 is: 117,040.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,571.63 : 169,211.84 = 84,780.27 : x
  2. Step 2: Convert to fraction form
    122,571.63/169,211.84 = 84,780.27/x
  3. Step 3: Cross multiply
    122,571.63x = 169,211.84 × 84,780.27
  4. Step 4: Simplify right side
    122,571.63x = 14,345,825,058.50
  5. Step 5: Solve for x
    x = 14,345,825,058.50/122,571.63
  6. Step 6: Final answer
    x = 117,040.34

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1.5x scale

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.