Home / 219,056.08-302,158.20-143,609.44

Finding the Fourth Proportional to 219,056.08, 302,158.20 and 143,609.44

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Solution

The fourth proportional to 219,056.08, 302,158.20 and 143,609.44 is: 198,089.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,056.08 : 302,158.20 = 143,609.44 : x
  2. Step 2: Convert to fraction form
    219,056.08/302,158.20 = 143,609.44/x
  3. Step 3: Cross multiply
    219,056.08x = 302,158.20 × 143,609.44
  4. Step 4: Simplify right side
    219,056.08x = 43,392,769,893.41
  5. Step 5: Solve for x
    x = 43,392,769,893.41/219,056.08
  6. Step 6: Final answer
    x = 198,089.78

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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.