Home / 134,028.42-184,946.13-77,438.58

Finding the Fourth Proportional to 134,028.42, 184,946.13 and 77,438.58

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Solution

The fourth proportional to 134,028.42, 184,946.13 and 77,438.58 is: 106,857.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,028.42 : 184,946.13 = 77,438.58 : x
  2. Step 2: Convert to fraction form
    134,028.42/184,946.13 = 77,438.58/x
  3. Step 3: Cross multiply
    134,028.42x = 184,946.13 × 77,438.58
  4. Step 4: Simplify right side
    134,028.42x = 14,321,965,683.70
  5. Step 5: Solve for x
    x = 14,321,965,683.70/134,028.42
  6. Step 6: Final answer
    x = 106,857.68

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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.