Home / 217,624.23-300,350.76-122,136.18

Finding the Fourth Proportional to 217,624.23, 300,350.76 and 122,136.18

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Solution

The fourth proportional to 217,624.23, 300,350.76 and 122,136.18 is: 168,564.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,624.23 : 300,350.76 = 122,136.18 : x
  2. Step 2: Convert to fraction form
    217,624.23/300,350.76 = 122,136.18/x
  3. Step 3: Cross multiply
    217,624.23x = 300,350.76 × 122,136.18
  4. Step 4: Simplify right side
    217,624.23x = 36,683,694,486.50
  5. Step 5: Solve for x
    x = 36,683,694,486.50/217,624.23
  6. Step 6: Final answer
    x = 168,564.38

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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.