Home / 190,488.92-285,675.05-131,702.36

Finding the Fourth Proportional to 190,488.92, 285,675.05 and 131,702.36

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Solution

The fourth proportional to 190,488.92, 285,675.05 and 131,702.36 is: 197,513.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,488.92 : 285,675.05 = 131,702.36 : x
  2. Step 2: Convert to fraction form
    190,488.92/285,675.05 = 131,702.36/x
  3. Step 3: Cross multiply
    190,488.92x = 285,675.05 × 131,702.36
  4. Step 4: Simplify right side
    190,488.92x = 37,624,077,179.00
  5. Step 5: Solve for x
    x = 37,624,077,179.00/190,488.92
  6. Step 6: Final answer
    x = 197,513.21

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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.