Home / 127,709.34-191,268.73-123,280.66

Finding the Fourth Proportional to 127,709.34, 191,268.73 and 123,280.66

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Solution

The fourth proportional to 127,709.34, 191,268.73 and 123,280.66 is: 184,635.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,709.34 : 191,268.73 = 123,280.66 : x
  2. Step 2: Convert to fraction form
    127,709.34/191,268.73 = 123,280.66/x
  3. Step 3: Cross multiply
    127,709.34x = 191,268.73 × 123,280.66
  4. Step 4: Simplify right side
    127,709.34x = 23,579,735,271.76
  5. Step 5: Solve for x
    x = 23,579,735,271.76/127,709.34
  6. Step 6: Final answer
    x = 184,635.95

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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.