Home / 136,126.03-187,858.21-75,699.22

Finding the Fourth Proportional to 136,126.03, 187,858.21 and 75,699.22

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Solution

The fourth proportional to 136,126.03, 187,858.21 and 75,699.22 is: 104,467.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,126.03 : 187,858.21 = 75,699.22 : x
  2. Step 2: Convert to fraction form
    136,126.03/187,858.21 = 75,699.22/x
  3. Step 3: Cross multiply
    136,126.03x = 187,858.21 × 75,699.22
  4. Step 4: Simplify right side
    136,126.03x = 14,220,719,967.60
  5. Step 5: Solve for x
    x = 14,220,719,967.60/136,126.03
  6. Step 6: Final answer
    x = 104,467.31

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1.5x scale

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.