Home / 220,087.32-330,180.12-79,842.84

Finding the Fourth Proportional to 220,087.32, 330,180.12 and 79,842.84

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Solution

The fourth proportional to 220,087.32, 330,180.12 and 79,842.84 is: 119,782.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,087.32 : 330,180.12 = 79,842.84 : x
  2. Step 2: Convert to fraction form
    220,087.32/330,180.12 = 79,842.84/x
  3. Step 3: Cross multiply
    220,087.32x = 330,180.12 × 79,842.84
  4. Step 4: Simplify right side
    220,087.32x = 26,362,518,492.34
  5. Step 5: Solve for x
    x = 26,362,518,492.34/220,087.32
  6. Step 6: Final answer
    x = 119,782.09

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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.