Home / 213,900.84-295,054.02-137,394.18

Finding the Fourth Proportional to 213,900.84, 295,054.02 and 137,394.18

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Solution

The fourth proportional to 213,900.84, 295,054.02 and 137,394.18 is: 189,521.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,900.84 : 295,054.02 = 137,394.18 : x
  2. Step 2: Convert to fraction form
    213,900.84/295,054.02 = 137,394.18/x
  3. Step 3: Cross multiply
    213,900.84x = 295,054.02 × 137,394.18
  4. Step 4: Simplify right side
    213,900.84x = 40,538,705,133.60
  5. Step 5: Solve for x
    x = 40,538,705,133.60/213,900.84
  6. Step 6: Final answer
    x = 189,521.02

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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.