Home / 219,769.98-329,667.81-84,834.76

Finding the Fourth Proportional to 219,769.98, 329,667.81 and 84,834.76

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Solution

The fourth proportional to 219,769.98, 329,667.81 and 84,834.76 is: 127,257.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,769.98 : 329,667.81 = 84,834.76 : x
  2. Step 2: Convert to fraction form
    219,769.98/329,667.81 = 84,834.76/x
  3. Step 3: Cross multiply
    219,769.98x = 329,667.81 × 84,834.76
  4. Step 4: Simplify right side
    219,769.98x = 27,967,287,984.01
  5. Step 5: Solve for x
    x = 27,967,287,984.01/219,769.98
  6. Step 6: Final answer
    x = 127,257.09

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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.