Home / 122,077.82-183,175.05-77,754.62

Finding the Fourth Proportional to 122,077.82, 183,175.05 and 77,754.62

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Solution

The fourth proportional to 122,077.82, 183,175.05 and 77,754.62 is: 116,669.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,077.82 : 183,175.05 = 77,754.62 : x
  2. Step 2: Convert to fraction form
    122,077.82/183,175.05 = 77,754.62/x
  3. Step 3: Cross multiply
    122,077.82x = 183,175.05 × 77,754.62
  4. Step 4: Simplify right side
    122,077.82x = 14,242,706,406.23
  5. Step 5: Solve for x
    x = 14,242,706,406.23/122,077.82
  6. Step 6: Final answer
    x = 116,669.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.