Home / 151,782.94-228,172.56-140,822.02

Finding the Fourth Proportional to 151,782.94, 228,172.56 and 140,822.02

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Solution

The fourth proportional to 151,782.94, 228,172.56 and 140,822.02 is: 211,695.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,782.94 : 228,172.56 = 140,822.02 : x
  2. Step 2: Convert to fraction form
    151,782.94/228,172.56 = 140,822.02/x
  3. Step 3: Cross multiply
    151,782.94x = 228,172.56 × 140,822.02
  4. Step 4: Simplify right side
    151,782.94x = 32,131,720,807.77
  5. Step 5: Solve for x
    x = 32,131,720,807.77/151,782.94
  6. Step 6: Final answer
    x = 211,695.21

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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.