Home / 212,882.16-293,767.38-122,175.12

Finding the Fourth Proportional to 212,882.16, 293,767.38 and 122,175.12

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Solution

The fourth proportional to 212,882.16, 293,767.38 and 122,175.12 is: 168,595.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,882.16 : 293,767.38 = 122,175.12 : x
  2. Step 2: Convert to fraction form
    212,882.16/293,767.38 = 122,175.12/x
  3. Step 3: Cross multiply
    212,882.16x = 293,767.38 × 122,175.12
  4. Step 4: Simplify right side
    212,882.16x = 35,891,064,903.59
  5. Step 5: Solve for x
    x = 35,891,064,903.59/212,882.16
  6. Step 6: Final answer
    x = 168,595.93

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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.