Home / 190,208.90-262,443.22-112,645.38

Finding the Fourth Proportional to 190,208.90, 262,443.22 and 112,645.38

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Solution

The fourth proportional to 190,208.90, 262,443.22 and 112,645.38 is: 155,423.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,208.90 : 262,443.22 = 112,645.38 : x
  2. Step 2: Convert to fraction form
    190,208.90/262,443.22 = 112,645.38/x
  3. Step 3: Cross multiply
    190,208.90x = 262,443.22 × 112,645.38
  4. Step 4: Simplify right side
    190,208.90x = 29,563,016,947.87
  5. Step 5: Solve for x
    x = 29,563,016,947.87/190,208.90
  6. Step 6: Final answer
    x = 155,423.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.