Home / 212,892.13-293,777.72-122,184.25

Finding the Fourth Proportional to 212,892.13, 293,777.72 and 122,184.25

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Solution

The fourth proportional to 212,892.13, 293,777.72 and 122,184.25 is: 168,606.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,892.13 : 293,777.72 = 122,184.25 : x
  2. Step 2: Convert to fraction form
    212,892.13/293,777.72 = 122,184.25/x
  3. Step 3: Cross multiply
    212,892.13x = 293,777.72 × 122,184.25
  4. Step 4: Simplify right side
    212,892.13x = 35,895,010,384.91
  5. Step 5: Solve for x
    x = 35,895,010,384.91/212,892.13
  6. Step 6: Final answer
    x = 168,606.56

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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.