Home / 212,862.36-293,792.62-122,280.44

Finding the Fourth Proportional to 212,862.36, 293,792.62 and 122,280.44

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Solution

The fourth proportional to 212,862.36, 293,792.62 and 122,280.44 is: 168,771.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,862.36 : 293,792.62 = 122,280.44 : x
  2. Step 2: Convert to fraction form
    212,862.36/293,792.62 = 122,280.44/x
  3. Step 3: Cross multiply
    212,862.36x = 293,792.62 × 122,280.44
  4. Step 4: Simplify right side
    212,862.36x = 35,925,090,842.35
  5. Step 5: Solve for x
    x = 35,925,090,842.35/212,862.36
  6. Step 6: Final answer
    x = 168,771.46

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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.