Home / 137,970.82-190,249.05-93,181.06

Finding the Fourth Proportional to 137,970.82, 190,249.05 and 93,181.06

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Solution

The fourth proportional to 137,970.82, 190,249.05 and 93,181.06 is: 128,488.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,970.82 : 190,249.05 = 93,181.06 : x
  2. Step 2: Convert to fraction form
    137,970.82/190,249.05 = 93,181.06/x
  3. Step 3: Cross multiply
    137,970.82x = 190,249.05 × 93,181.06
  4. Step 4: Simplify right side
    137,970.82x = 17,727,608,142.99
  5. Step 5: Solve for x
    x = 17,727,608,142.99/137,970.82
  6. Step 6: Final answer
    x = 128,488.10

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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.