Home / 219,226.70-302,525.28-122,435.55

Finding the Fourth Proportional to 219,226.70, 302,525.28 and 122,435.55

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Solution

The fourth proportional to 219,226.70, 302,525.28 and 122,435.55 is: 168,956.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,226.70 : 302,525.28 = 122,435.55 : x
  2. Step 2: Convert to fraction form
    219,226.70/302,525.28 = 122,435.55/x
  3. Step 3: Cross multiply
    219,226.70x = 302,525.28 × 122,435.55
  4. Step 4: Simplify right side
    219,226.70x = 37,039,849,045.70
  5. Step 5: Solve for x
    x = 37,039,849,045.70/219,226.70
  6. Step 6: Final answer
    x = 168,956.83

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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.