Home / 217,136.03-299,647.75-120,346.13

Finding the Fourth Proportional to 217,136.03, 299,647.75 and 120,346.13

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Solution

The fourth proportional to 217,136.03, 299,647.75 and 120,346.13 is: 166,077.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,136.03 : 299,647.75 = 120,346.13 : x
  2. Step 2: Convert to fraction form
    217,136.03/299,647.75 = 120,346.13/x
  3. Step 3: Cross multiply
    217,136.03x = 299,647.75 × 120,346.13
  4. Step 4: Simplify right side
    217,136.03x = 36,061,446,473.98
  5. Step 5: Solve for x
    x = 36,061,446,473.98/217,136.03
  6. Step 6: Final answer
    x = 166,077.68

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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.