Home / 142,682.42-214,026.06-53,977.70

Finding the Fourth Proportional to 142,682.42, 214,026.06 and 53,977.70

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Solution

The fourth proportional to 142,682.42, 214,026.06 and 53,977.70 is: 80,967.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,682.42 : 214,026.06 = 53,977.70 : x
  2. Step 2: Convert to fraction form
    142,682.42/214,026.06 = 53,977.70/x
  3. Step 3: Cross multiply
    142,682.42x = 214,026.06 × 53,977.70
  4. Step 4: Simplify right side
    142,682.42x = 11,552,634,458.86
  5. Step 5: Solve for x
    x = 11,552,634,458.86/142,682.42
  6. Step 6: Final answer
    x = 80,967.47

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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.