Home / 137,280.29-189,349.11-125,986.25

Finding the Fourth Proportional to 137,280.29, 189,349.11 and 125,986.25

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Solution

The fourth proportional to 137,280.29, 189,349.11 and 125,986.25 is: 173,771.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,280.29 : 189,349.11 = 125,986.25 : x
  2. Step 2: Convert to fraction form
    137,280.29/189,349.11 = 125,986.25/x
  3. Step 3: Cross multiply
    137,280.29x = 189,349.11 × 125,986.25
  4. Step 4: Simplify right side
    137,280.29x = 23,855,384,783.11
  5. Step 5: Solve for x
    x = 23,855,384,783.11/137,280.29
  6. Step 6: Final answer
    x = 173,771.38

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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.