Home / 190,871.58-286,217.43-70,845.36

Finding the Fourth Proportional to 190,871.58, 286,217.43 and 70,845.36

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Solution

The fourth proportional to 190,871.58, 286,217.43 and 70,845.36 is: 106,234.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,871.58 : 286,217.43 = 70,845.36 : x
  2. Step 2: Convert to fraction form
    190,871.58/286,217.43 = 70,845.36/x
  3. Step 3: Cross multiply
    190,871.58x = 286,217.43 × 70,845.36
  4. Step 4: Simplify right side
    190,871.58x = 20,277,176,866.62
  5. Step 5: Solve for x
    x = 20,277,176,866.62/190,871.58
  6. Step 6: Final answer
    x = 106,234.66

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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.