Home / 142,953.30-214,375.20-48,158.01

Finding the Fourth Proportional to 142,953.30, 214,375.20 and 48,158.01

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Solution

The fourth proportional to 142,953.30, 214,375.20 and 48,158.01 is: 72,218.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,953.30 : 214,375.20 = 48,158.01 : x
  2. Step 2: Convert to fraction form
    142,953.30/214,375.20 = 48,158.01/x
  3. Step 3: Cross multiply
    142,953.30x = 214,375.20 × 48,158.01
  4. Step 4: Simplify right side
    142,953.30x = 10,323,883,025.35
  5. Step 5: Solve for x
    x = 10,323,883,025.35/142,953.30
  6. Step 6: Final answer
    x = 72,218.57

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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.