Home / 133,828.40-184,635.25-76,426.34

Finding the Fourth Proportional to 133,828.40, 184,635.25 and 76,426.34

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Solution

The fourth proportional to 133,828.40, 184,635.25 and 76,426.34 is: 105,440.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,828.40 : 184,635.25 = 76,426.34 : x
  2. Step 2: Convert to fraction form
    133,828.40/184,635.25 = 76,426.34/x
  3. Step 3: Cross multiply
    133,828.40x = 184,635.25 × 76,426.34
  4. Step 4: Simplify right side
    133,828.40x = 14,110,995,278.24
  5. Step 5: Solve for x
    x = 14,110,995,278.24/133,828.40
  6. Step 6: Final answer
    x = 105,440.96

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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.