Home / 212,322.30-318,392.73-72,017.34

Finding the Fourth Proportional to 212,322.30, 318,392.73 and 72,017.34

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Solution

The fourth proportional to 212,322.30, 318,392.73 and 72,017.34 is: 107,995.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,322.30 : 318,392.73 = 72,017.34 : x
  2. Step 2: Convert to fraction form
    212,322.30/318,392.73 = 72,017.34/x
  3. Step 3: Cross multiply
    212,322.30x = 318,392.73 × 72,017.34
  4. Step 4: Simplify right side
    212,322.30x = 22,929,797,489.94
  5. Step 5: Solve for x
    x = 22,929,797,489.94/212,322.30
  6. Step 6: Final answer
    x = 107,995.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.