Home / 213,983.94-295,297.77-118,490.61

Finding the Fourth Proportional to 213,983.94, 295,297.77 and 118,490.61

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Solution

The fourth proportional to 213,983.94, 295,297.77 and 118,490.61 is: 163,517.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,983.94 : 295,297.77 = 118,490.61 : x
  2. Step 2: Convert to fraction form
    213,983.94/295,297.77 = 118,490.61/x
  3. Step 3: Cross multiply
    213,983.94x = 295,297.77 × 118,490.61
  4. Step 4: Simplify right side
    213,983.94x = 34,990,012,898.94
  5. Step 5: Solve for x
    x = 34,990,012,898.94/213,983.94
  6. Step 6: Final answer
    x = 163,517.00

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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.