Home / 126,650.45-190,041.14-55,623

Finding the Fourth Proportional to 126,650.45, 190,041.14 and 55,623

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Solution

The fourth proportional to 126,650.45, 190,041.14 and 55,623 is: 83,463.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,650.45 : 190,041.14 = 55,623 : x
  2. Step 2: Convert to fraction form
    126,650.45/190,041.14 = 55,623/x
  3. Step 3: Cross multiply
    126,650.45x = 190,041.14 × 55,623
  4. Step 4: Simplify right side
    126,650.45x = 10,570,658,052.11
  5. Step 5: Solve for x
    x = 10,570,658,052.11/126,650.45
  6. Step 6: Final answer
    x = 83,463.25

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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.