Home / 245,957.09-339,421.49-142,611.30

Finding the Fourth Proportional to 245,957.09, 339,421.49 and 142,611.30

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Solution

The fourth proportional to 245,957.09, 339,421.49 and 142,611.30 is: 196,804.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,957.09 : 339,421.49 = 142,611.30 : x
  2. Step 2: Convert to fraction form
    245,957.09/339,421.49 = 142,611.30/x
  3. Step 3: Cross multiply
    245,957.09x = 339,421.49 × 142,611.30
  4. Step 4: Simplify right side
    245,957.09x = 48,405,339,223.78
  5. Step 5: Solve for x
    x = 48,405,339,223.78/245,957.09
  6. Step 6: Final answer
    x = 196,804.00

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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.