Home / 127,003.90-190,503.96-30,942.22

Finding the Fourth Proportional to 127,003.90, 190,503.96 and 30,942.22

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Solution

The fourth proportional to 127,003.90, 190,503.96 and 30,942.22 is: 46,412.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,003.90 : 190,503.96 = 30,942.22 : x
  2. Step 2: Convert to fraction form
    127,003.90/190,503.96 = 30,942.22/x
  3. Step 3: Cross multiply
    127,003.90x = 190,503.96 × 30,942.22
  4. Step 4: Simplify right side
    127,003.90x = 5,894,615,441.19
  5. Step 5: Solve for x
    x = 5,894,615,441.19/127,003.90
  6. Step 6: Final answer
    x = 46,412.87

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1.5x scale

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.