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Finding the Fourth Proportional to 143,273.76, 214,836.78 and 64,320.24

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Solution

The fourth proportional to 143,273.76, 214,836.78 and 64,320.24 is: 96,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,273.76 : 214,836.78 = 64,320.24 : x
  2. Step 2: Convert to fraction form
    143,273.76/214,836.78 = 64,320.24/x
  3. Step 3: Cross multiply
    143,273.76x = 214,836.78 × 64,320.24
  4. Step 4: Simplify right side
    143,273.76x = 13,818,353,250.43
  5. Step 5: Solve for x
    x = 13,818,353,250.43/143,273.76
  6. Step 6: Final answer
    x = 96,447.20

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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.