Home / 137,461.28-206,127.20-53,260.88

Finding the Fourth Proportional to 137,461.28, 206,127.20 and 53,260.88

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Solution

The fourth proportional to 137,461.28, 206,127.20 and 53,260.88 is: 79,866.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,461.28 : 206,127.20 = 53,260.88 : x
  2. Step 2: Convert to fraction form
    137,461.28/206,127.20 = 53,260.88/x
  3. Step 3: Cross multiply
    137,461.28x = 206,127.20 × 53,260.88
  4. Step 4: Simplify right side
    137,461.28x = 10,978,515,166.45
  5. Step 5: Solve for x
    x = 10,978,515,166.45/137,461.28
  6. Step 6: Final answer
    x = 79,866.24

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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.