Home / 126,907.90-190,227.89-42,588.11

Finding the Fourth Proportional to 126,907.90, 190,227.89 and 42,588.11

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Solution

The fourth proportional to 126,907.90, 190,227.89 and 42,588.11 is: 63,837.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,907.90 : 190,227.89 = 42,588.11 : x
  2. Step 2: Convert to fraction form
    126,907.90/190,227.89 = 42,588.11/x
  3. Step 3: Cross multiply
    126,907.90x = 190,227.89 × 42,588.11
  4. Step 4: Simplify right side
    126,907.90x = 8,101,446,091.45
  5. Step 5: Solve for x
    x = 8,101,446,091.45/126,907.90
  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.