Home / 213,787.76-295,117.98-133,255.40

Finding the Fourth Proportional to 213,787.76, 295,117.98 and 133,255.40

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Solution

The fourth proportional to 213,787.76, 295,117.98 and 133,255.40 is: 183,949.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,787.76 : 295,117.98 = 133,255.40 : x
  2. Step 2: Convert to fraction form
    213,787.76/295,117.98 = 133,255.40/x
  3. Step 3: Cross multiply
    213,787.76x = 295,117.98 × 133,255.40
  4. Step 4: Simplify right side
    213,787.76x = 39,326,064,472.09
  5. Step 5: Solve for x
    x = 39,326,064,472.09/213,787.76
  6. Step 6: Final answer
    x = 183,949.09

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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.