Home / 142,923.42-214,365.30-100,099.14

Finding the Fourth Proportional to 142,923.42, 214,365.30 and 100,099.14

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Solution

The fourth proportional to 142,923.42, 214,365.30 and 100,099.14 is: 150,134.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,923.42 : 214,365.30 = 100,099.14 : x
  2. Step 2: Convert to fraction form
    142,923.42/214,365.30 = 100,099.14/x
  3. Step 3: Cross multiply
    142,923.42x = 214,365.30 × 100,099.14
  4. Step 4: Simplify right side
    142,923.42x = 21,457,782,175.84
  5. Step 5: Solve for x
    x = 21,457,782,175.84/142,923.42
  6. Step 6: Final answer
    x = 150,134.82

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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.