Home / 212,878.08-293,758.92-122,214.24

Finding the Fourth Proportional to 212,878.08, 293,758.92 and 122,214.24

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Solution

The fourth proportional to 212,878.08, 293,758.92 and 122,214.24 is: 168,648.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,878.08 : 293,758.92 = 122,214.24 : x
  2. Step 2: Convert to fraction form
    212,878.08/293,758.92 = 122,214.24/x
  3. Step 3: Cross multiply
    212,878.08x = 293,758.92 × 122,214.24
  4. Step 4: Simplify right side
    212,878.08x = 35,901,523,151.02
  5. Step 5: Solve for x
    x = 35,901,523,151.02/212,878.08
  6. Step 6: Final answer
    x = 168,648.29

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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.