Home / 102,851.42-141,942.22-57,533.64

Finding the Fourth Proportional to 102,851.42, 141,942.22 and 57,533.64

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Solution

The fourth proportional to 102,851.42, 141,942.22 and 57,533.64 is: 79,400.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,851.42 : 141,942.22 = 57,533.64 : x
  2. Step 2: Convert to fraction form
    102,851.42/141,942.22 = 57,533.64/x
  3. Step 3: Cross multiply
    102,851.42x = 141,942.22 × 57,533.64
  4. Step 4: Simplify right side
    102,851.42x = 8,166,452,586.28
  5. Step 5: Solve for x
    x = 8,166,452,586.28/102,851.42
  6. Step 6: Final answer
    x = 79,400.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.