Home / 126,907.89-190,227.88-42,588.11

Finding the Fourth Proportional to 126,907.89, 190,227.88 and 42,588.11

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Solution

The fourth proportional to 126,907.89, 190,227.88 and 42,588.11 is: 63,837.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,907.89 : 190,227.88 = 42,588.11 : x
  2. Step 2: Convert to fraction form
    126,907.89/190,227.88 = 42,588.11/x
  3. Step 3: Cross multiply
    126,907.89x = 190,227.88 × 42,588.11
  4. Step 4: Simplify right side
    126,907.89x = 8,101,445,878.51
  5. Step 5: Solve for x
    x = 8,101,445,878.51/126,907.89
  6. Step 6: Final answer
    x = 63,837.21

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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.