Home / 137,736.62-190,074.04-77,302.52

Finding the Fourth Proportional to 137,736.62, 190,074.04 and 77,302.52

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Solution

The fourth proportional to 137,736.62, 190,074.04 and 77,302.52 is: 106,676.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,736.62 : 190,074.04 = 77,302.52 : x
  2. Step 2: Convert to fraction form
    137,736.62/190,074.04 = 77,302.52/x
  3. Step 3: Cross multiply
    137,736.62x = 190,074.04 × 77,302.52
  4. Step 4: Simplify right side
    137,736.62x = 14,693,202,278.58
  5. Step 5: Solve for x
    x = 14,693,202,278.58/137,736.62
  6. Step 6: Final answer
    x = 106,676.08

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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.