Home / 212,211.90-292,850.10-116,719.92

Finding the Fourth Proportional to 212,211.90, 292,850.10 and 116,719.92

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Solution

The fourth proportional to 212,211.90, 292,850.10 and 116,719.92 is: 161,072.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,211.90 : 292,850.10 = 116,719.92 : x
  2. Step 2: Convert to fraction form
    212,211.90/292,850.10 = 116,719.92/x
  3. Step 3: Cross multiply
    212,211.90x = 292,850.10 × 116,719.92
  4. Step 4: Simplify right side
    212,211.90x = 34,181,440,243.99
  5. Step 5: Solve for x
    x = 34,181,440,243.99/212,211.90
  6. Step 6: Final answer
    x = 161,072.21

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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.