Home / 190,851.12-263,255.40-122,958

Finding the Fourth Proportional to 190,851.12, 263,255.40 and 122,958

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Solution

The fourth proportional to 190,851.12, 263,255.40 and 122,958 is: 169,605.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,851.12 : 263,255.40 = 122,958 : x
  2. Step 2: Convert to fraction form
    190,851.12/263,255.40 = 122,958/x
  3. Step 3: Cross multiply
    190,851.12x = 263,255.40 × 122,958
  4. Step 4: Simplify right side
    190,851.12x = 32,369,357,473.20
  5. Step 5: Solve for x
    x = 32,369,357,473.20/190,851.12
  6. Step 6: Final answer
    x = 169,605.28

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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.