Home / 213,801.84-295,077.68-123,140.16

Finding the Fourth Proportional to 213,801.84, 295,077.68 and 123,140.16

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Solution

The fourth proportional to 213,801.84, 295,077.68 and 123,140.16 is: 169,951.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,801.84 : 295,077.68 = 123,140.16 : x
  2. Step 2: Convert to fraction form
    213,801.84/295,077.68 = 123,140.16/x
  3. Step 3: Cross multiply
    213,801.84x = 295,077.68 × 123,140.16
  4. Step 4: Simplify right side
    213,801.84x = 36,335,912,727.63
  5. Step 5: Solve for x
    x = 36,335,912,727.63/213,801.84
  6. Step 6: Final answer
    x = 169,951.36

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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.