Home / 190,941.12-263,498.64-106,066.08

Finding the Fourth Proportional to 190,941.12, 263,498.64 and 106,066.08

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Solution

The fourth proportional to 190,941.12, 263,498.64 and 106,066.08 is: 146,371.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,941.12 : 263,498.64 = 106,066.08 : x
  2. Step 2: Convert to fraction form
    190,941.12/263,498.64 = 106,066.08/x
  3. Step 3: Cross multiply
    190,941.12x = 263,498.64 × 106,066.08
  4. Step 4: Simplify right side
    190,941.12x = 27,948,267,830.13
  5. Step 5: Solve for x
    x = 27,948,267,830.13/190,941.12
  6. Step 6: Final answer
    x = 146,371.13

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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.