Home / 134,028.92-184,964.22-77,440.28

Finding the Fourth Proportional to 134,028.92, 184,964.22 and 77,440.28

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Solution

The fourth proportional to 134,028.92, 184,964.22 and 77,440.28 is: 106,870.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,028.92 : 184,964.22 = 77,440.28 : x
  2. Step 2: Convert to fraction form
    134,028.92/184,964.22 = 77,440.28/x
  3. Step 3: Cross multiply
    134,028.92x = 184,964.22 × 77,440.28
  4. Step 4: Simplify right side
    134,028.92x = 14,323,680,986.78
  5. Step 5: Solve for x
    x = 14,323,680,986.78/134,028.92
  6. Step 6: Final answer
    x = 106,870.08

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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.