Home / 190,565.48-262,973.75-105,690.44

Finding the Fourth Proportional to 190,565.48, 262,973.75 and 105,690.44

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Solution

The fourth proportional to 190,565.48, 262,973.75 and 105,690.44 is: 145,849.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,565.48 : 262,973.75 = 105,690.44 : x
  2. Step 2: Convert to fraction form
    190,565.48/262,973.75 = 105,690.44/x
  3. Step 3: Cross multiply
    190,565.48x = 262,973.75 × 105,690.44
  4. Step 4: Simplify right side
    190,565.48x = 27,793,811,474.93
  5. Step 5: Solve for x
    x = 27,793,811,474.93/190,565.48
  6. Step 6: Final answer
    x = 145,849.14

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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.