Home / 133,868.78-184,732.79-73,438.12

Finding the Fourth Proportional to 133,868.78, 184,732.79 and 73,438.12

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Solution

The fourth proportional to 133,868.78, 184,732.79 and 73,438.12 is: 101,341.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,868.78 : 184,732.79 = 73,438.12 : x
  2. Step 2: Convert to fraction form
    133,868.78/184,732.79 = 73,438.12/x
  3. Step 3: Cross multiply
    133,868.78x = 184,732.79 × 73,438.12
  4. Step 4: Simplify right side
    133,868.78x = 13,566,428,521.72
  5. Step 5: Solve for x
    x = 13,566,428,521.72/133,868.78
  6. Step 6: Final answer
    x = 101,341.25

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1.5x scale

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.