Home / 137,977.23-206,925.87-53,718.60

Finding the Fourth Proportional to 137,977.23, 206,925.87 and 53,718.60

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Solution

The fourth proportional to 137,977.23, 206,925.87 and 53,718.60 is: 80,562.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,977.23 : 206,925.87 = 53,718.60 : x
  2. Step 2: Convert to fraction form
    137,977.23/206,925.87 = 53,718.60/x
  3. Step 3: Cross multiply
    137,977.23x = 206,925.87 × 53,718.60
  4. Step 4: Simplify right side
    137,977.23x = 11,115,768,040.18
  5. Step 5: Solve for x
    x = 11,115,768,040.18/137,977.23
  6. Step 6: Final answer
    x = 80,562.34

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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.