Home / 133,438.96-184,192.04-76,872.88

Finding the Fourth Proportional to 133,438.96, 184,192.04 and 76,872.88

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Solution

The fourth proportional to 133,438.96, 184,192.04 and 76,872.88 is: 106,111.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,438.96 : 184,192.04 = 76,872.88 : x
  2. Step 2: Convert to fraction form
    133,438.96/184,192.04 = 76,872.88/x
  3. Step 3: Cross multiply
    133,438.96x = 184,192.04 × 76,872.88
  4. Step 4: Simplify right side
    133,438.96x = 14,159,372,587.88
  5. Step 5: Solve for x
    x = 14,159,372,587.88/133,438.96
  6. Step 6: Final answer
    x = 106,111.23

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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.