Home / 190,655.72-263,109.78-104,618.40

Finding the Fourth Proportional to 190,655.72, 263,109.78 and 104,618.40

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Solution

The fourth proportional to 190,655.72, 263,109.78 and 104,618.40 is: 144,376.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,655.72 : 263,109.78 = 104,618.40 : x
  2. Step 2: Convert to fraction form
    190,655.72/263,109.78 = 104,618.40/x
  3. Step 3: Cross multiply
    190,655.72x = 263,109.78 × 104,618.40
  4. Step 4: Simplify right side
    190,655.72x = 27,526,124,207.95
  5. Step 5: Solve for x
    x = 27,526,124,207.95/190,655.72
  6. Step 6: Final answer
    x = 144,376.07

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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.