Home / 137,280.89-189,349.98-125,986.86

Finding the Fourth Proportional to 137,280.89, 189,349.98 and 125,986.86

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Solution

The fourth proportional to 137,280.89, 189,349.98 and 125,986.86 is: 173,772.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,280.89 : 189,349.98 = 125,986.86 : x
  2. Step 2: Convert to fraction form
    137,280.89/189,349.98 = 125,986.86/x
  3. Step 3: Cross multiply
    137,280.89x = 189,349.98 × 125,986.86
  4. Step 4: Simplify right side
    137,280.89x = 23,855,610,366.86
  5. Step 5: Solve for x
    x = 23,855,610,366.86/137,280.89
  6. Step 6: Final answer
    x = 173,772.25

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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.