Home / 122,575.56-169,264.94-77,333.82

Finding the Fourth Proportional to 122,575.56, 169,264.94 and 77,333.82

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Solution

The fourth proportional to 122,575.56, 169,264.94 and 77,333.82 is: 106,790.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,575.56 : 169,264.94 = 77,333.82 : x
  2. Step 2: Convert to fraction form
    122,575.56/169,264.94 = 77,333.82/x
  3. Step 3: Cross multiply
    122,575.56x = 169,264.94 × 77,333.82
  4. Step 4: Simplify right side
    122,575.56x = 13,089,904,015.60
  5. Step 5: Solve for x
    x = 13,089,904,015.60/122,575.56
  6. Step 6: Final answer
    x = 106,790.49

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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.