Home / 190,064.40-262,289.57-102,849.51

Finding the Fourth Proportional to 190,064.40, 262,289.57 and 102,849.51

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Solution

The fourth proportional to 190,064.40, 262,289.57 and 102,849.51 is: 141,932.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,064.40 : 262,289.57 = 102,849.51 : x
  2. Step 2: Convert to fraction form
    190,064.40/262,289.57 = 102,849.51/x
  3. Step 3: Cross multiply
    190,064.40x = 262,289.57 × 102,849.51
  4. Step 4: Simplify right side
    190,064.40x = 26,976,353,238.36
  5. Step 5: Solve for x
    x = 26,976,353,238.36/190,064.40
  6. Step 6: Final answer
    x = 141,932.70

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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.