Home / 212,908.32-293,859.08-122,314.24

Finding the Fourth Proportional to 212,908.32, 293,859.08 and 122,314.24

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Solution

The fourth proportional to 212,908.32, 293,859.08 and 122,314.24 is: 168,819.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,908.32 : 293,859.08 = 122,314.24 : x
  2. Step 2: Convert to fraction form
    212,908.32/293,859.08 = 122,314.24/x
  3. Step 3: Cross multiply
    212,908.32x = 293,859.08 × 122,314.24
  4. Step 4: Simplify right side
    212,908.32x = 35,943,150,440.51
  5. Step 5: Solve for x
    x = 35,943,150,440.51/212,908.32
  6. Step 6: Final answer
    x = 168,819.85

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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.