Home / 133,651.20-184,440.48-73,220.64

Finding the Fourth Proportional to 133,651.20, 184,440.48 and 73,220.64

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Solution

The fourth proportional to 133,651.20, 184,440.48 and 73,220.64 is: 101,045.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,651.20 : 184,440.48 = 73,220.64 : x
  2. Step 2: Convert to fraction form
    133,651.20/184,440.48 = 73,220.64/x
  3. Step 3: Cross multiply
    133,651.20x = 184,440.48 × 73,220.64
  4. Step 4: Simplify right side
    133,651.20x = 13,504,849,987.51
  5. Step 5: Solve for x
    x = 13,504,849,987.51/133,651.20
  6. Step 6: Final answer
    x = 101,045.48

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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.