Home / 212,539.33-293,315.13-120,665.05

Finding the Fourth Proportional to 212,539.33, 293,315.13 and 120,665.05

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Solution

The fourth proportional to 212,539.33, 293,315.13 and 120,665.05 is: 166,523.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,539.33 : 293,315.13 = 120,665.05 : x
  2. Step 2: Convert to fraction form
    212,539.33/293,315.13 = 120,665.05/x
  3. Step 3: Cross multiply
    212,539.33x = 293,315.13 × 120,665.05
  4. Step 4: Simplify right side
    212,539.33x = 35,392,885,862.16
  5. Step 5: Solve for x
    x = 35,392,885,862.16/212,539.33
  6. Step 6: Final answer
    x = 166,523.94

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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.