Home / 212,728.10-293,563.28-117,234.90

Finding the Fourth Proportional to 212,728.10, 293,563.28 and 117,234.90

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Solution

The fourth proportional to 212,728.10, 293,563.28 and 117,234.90 is: 161,783.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,728.10 : 293,563.28 = 117,234.90 : x
  2. Step 2: Convert to fraction form
    212,728.10/293,563.28 = 117,234.90/x
  3. Step 3: Cross multiply
    212,728.10x = 293,563.28 × 117,234.90
  4. Step 4: Simplify right side
    212,728.10x = 34,415,861,774.47
  5. Step 5: Solve for x
    x = 34,415,861,774.47/212,728.10
  6. Step 6: Final answer
    x = 161,783.34

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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.