Home / 190,160.32-262,420.35-102,945.19

Finding the Fourth Proportional to 190,160.32, 262,420.35 and 102,945.19

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Solution

The fourth proportional to 190,160.32, 262,420.35 and 102,945.19 is: 142,063.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,160.32 : 262,420.35 = 102,945.19 : x
  2. Step 2: Convert to fraction form
    190,160.32/262,420.35 = 102,945.19/x
  3. Step 3: Cross multiply
    190,160.32x = 262,420.35 × 102,945.19
  4. Step 4: Simplify right side
    190,160.32x = 27,014,912,790.62
  5. Step 5: Solve for x
    x = 27,014,912,790.62/190,160.32
  6. Step 6: Final answer
    x = 142,063.88

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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.