Home / 190,520.16-262,908.72-104,477.28

Finding the Fourth Proportional to 190,520.16, 262,908.72 and 104,477.28

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Solution

The fourth proportional to 190,520.16, 262,908.72 and 104,477.28 is: 144,173.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,520.16 : 262,908.72 = 104,477.28 : x
  2. Step 2: Convert to fraction form
    190,520.16/262,908.72 = 104,477.28/x
  3. Step 3: Cross multiply
    190,520.16x = 262,908.72 × 104,477.28
  4. Step 4: Simplify right side
    190,520.16x = 27,467,987,953.88
  5. Step 5: Solve for x
    x = 27,467,987,953.88/190,520.16
  6. Step 6: Final answer
    x = 144,173.66

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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.