Home / 219,262.32-302,581.88-123,769.84

Finding the Fourth Proportional to 219,262.32, 302,581.88 and 123,769.84

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Solution

The fourth proportional to 219,262.32, 302,581.88 and 123,769.84 is: 170,802.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,262.32 : 302,581.88 = 123,769.84 : x
  2. Step 2: Convert to fraction form
    219,262.32/302,581.88 = 123,769.84/x
  3. Step 3: Cross multiply
    219,262.32x = 302,581.88 × 123,769.84
  4. Step 4: Simplify right side
    219,262.32x = 37,450,510,874.50
  5. Step 5: Solve for x
    x = 37,450,510,874.50/219,262.32
  6. Step 6: Final answer
    x = 170,802.31

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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.