Home / 340,022.15-510,033.59-126,786.81

Finding the Fourth Proportional to 340,022.15, 510,033.59 and 126,786.81

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Solution

The fourth proportional to 340,022.15, 510,033.59 and 126,786.81 is: 190,180.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,022.15 : 510,033.59 = 126,786.81 : x
  2. Step 2: Convert to fraction form
    340,022.15/510,033.59 = 126,786.81/x
  3. Step 3: Cross multiply
    340,022.15x = 510,033.59 × 126,786.81
  4. Step 4: Simplify right side
    340,022.15x = 64,665,531,868.95
  5. Step 5: Solve for x
    x = 64,665,531,868.95/340,022.15
  6. Step 6: Final answer
    x = 190,180.35

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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.