Home / 213,904.84-295,059.54-137,398.18

Finding the Fourth Proportional to 213,904.84, 295,059.54 and 137,398.18

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Solution

The fourth proportional to 213,904.84, 295,059.54 and 137,398.18 is: 189,526.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,904.84 : 295,059.54 = 137,398.18 : x
  2. Step 2: Convert to fraction form
    213,904.84/295,059.54 = 137,398.18/x
  3. Step 3: Cross multiply
    213,904.84x = 295,059.54 × 137,398.18
  4. Step 4: Simplify right side
    213,904.84x = 40,540,643,787.64
  5. Step 5: Solve for x
    x = 40,540,643,787.64/213,904.84
  6. Step 6: Final answer
    x = 189,526.54

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1.5x scale

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.