Home / 190,172.74-262,438.40-104,137.15

Finding the Fourth Proportional to 190,172.74, 262,438.40 and 104,137.15

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Solution

The fourth proportional to 190,172.74, 262,438.40 and 104,137.15 is: 143,709.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,172.74 : 262,438.40 = 104,137.15 : x
  2. Step 2: Convert to fraction form
    190,172.74/262,438.40 = 104,137.15/x
  3. Step 3: Cross multiply
    190,172.74x = 262,438.40 × 104,137.15
  4. Step 4: Simplify right side
    190,172.74x = 27,329,587,026.56
  5. Step 5: Solve for x
    x = 27,329,587,026.56/190,172.74
  6. Step 6: Final answer
    x = 143,709.28

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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.