Home / 126,935.69-190,406.23-42,698.39

Finding the Fourth Proportional to 126,935.69, 190,406.23 and 42,698.39

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Solution

The fourth proportional to 126,935.69, 190,406.23 and 42,698.39 is: 64,048.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,935.69 : 190,406.23 = 42,698.39 : x
  2. Step 2: Convert to fraction form
    126,935.69/190,406.23 = 42,698.39/x
  3. Step 3: Cross multiply
    126,935.69x = 190,406.23 × 42,698.39
  4. Step 4: Simplify right side
    126,935.69x = 8,130,038,408.19
  5. Step 5: Solve for x
    x = 8,130,038,408.19/126,935.69
  6. Step 6: Final answer
    x = 64,048.49

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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.