Home / 190,284.42-262,700.10-129,942.66

Finding the Fourth Proportional to 190,284.42, 262,700.10 and 129,942.66

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Solution

The fourth proportional to 190,284.42, 262,700.10 and 129,942.66 is: 179,394.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,284.42 : 262,700.10 = 129,942.66 : x
  2. Step 2: Convert to fraction form
    190,284.42/262,700.10 = 129,942.66/x
  3. Step 3: Cross multiply
    190,284.42x = 262,700.10 × 129,942.66
  4. Step 4: Simplify right side
    190,284.42x = 34,135,949,776.27
  5. Step 5: Solve for x
    x = 34,135,949,776.27/190,284.42
  6. Step 6: Final answer
    x = 179,394.35

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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.