Home / 190,065.40-262,290.95-102,850.51

Finding the Fourth Proportional to 190,065.40, 262,290.95 and 102,850.51

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Solution

The fourth proportional to 190,065.40, 262,290.95 and 102,850.51 is: 141,934.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,065.40 : 262,290.95 = 102,850.51 : x
  2. Step 2: Convert to fraction form
    190,065.40/262,290.95 = 102,850.51/x
  3. Step 3: Cross multiply
    190,065.40x = 262,290.95 × 102,850.51
  4. Step 4: Simplify right side
    190,065.40x = 26,976,757,975.88
  5. Step 5: Solve for x
    x = 26,976,757,975.88/190,065.40
  6. Step 6: Final answer
    x = 141,934.08

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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.