Home / 150,202.20-207,279.42-83,136.60

Finding the Fourth Proportional to 150,202.20, 207,279.42 and 83,136.60

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Solution

The fourth proportional to 150,202.20, 207,279.42 and 83,136.60 is: 114,728.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,202.20 : 207,279.42 = 83,136.60 : x
  2. Step 2: Convert to fraction form
    150,202.20/207,279.42 = 83,136.60/x
  3. Step 3: Cross multiply
    150,202.20x = 207,279.42 × 83,136.60
  4. Step 4: Simplify right side
    150,202.20x = 17,232,506,228.77
  5. Step 5: Solve for x
    x = 17,232,506,228.77/150,202.20
  6. Step 6: Final answer
    x = 114,728.72

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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.