Home / 142,921.93-214,363.03-100,097.63

Finding the Fourth Proportional to 142,921.93, 214,363.03 and 100,097.63

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Solution

The fourth proportional to 142,921.93, 214,363.03 and 100,097.63 is: 150,132.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,921.93 : 214,363.03 = 100,097.63 : x
  2. Step 2: Convert to fraction form
    142,921.93/214,363.03 = 100,097.63/x
  3. Step 3: Cross multiply
    142,921.93x = 214,363.03 × 100,097.63
  4. Step 4: Simplify right side
    142,921.93x = 21,457,231,262.62
  5. Step 5: Solve for x
    x = 21,457,231,262.62/142,921.93
  6. Step 6: Final answer
    x = 150,132.53

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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.