Home / 150,122.96-207,079.44-99,136.16

Finding the Fourth Proportional to 150,122.96, 207,079.44 and 99,136.16

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Solution

The fourth proportional to 150,122.96, 207,079.44 and 99,136.16 is: 136,748.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,122.96 : 207,079.44 = 99,136.16 : x
  2. Step 2: Convert to fraction form
    150,122.96/207,079.44 = 99,136.16/x
  3. Step 3: Cross multiply
    150,122.96x = 207,079.44 × 99,136.16
  4. Step 4: Simplify right side
    150,122.96x = 20,529,060,496.55
  5. Step 5: Solve for x
    x = 20,529,060,496.55/150,122.96
  6. Step 6: Final answer
    x = 136,748.31

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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.