Home / 133,359.19-184,038.75-82,406.87

Finding the Fourth Proportional to 133,359.19, 184,038.75 and 82,406.87

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Solution

The fourth proportional to 133,359.19, 184,038.75 and 82,406.87 is: 113,723.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,359.19 : 184,038.75 = 82,406.87 : x
  2. Step 2: Convert to fraction form
    133,359.19/184,038.75 = 82,406.87/x
  3. Step 3: Cross multiply
    133,359.19x = 184,038.75 × 82,406.87
  4. Step 4: Simplify right side
    133,359.19x = 15,166,057,346.21
  5. Step 5: Solve for x
    x = 15,166,057,346.21/133,359.19
  6. Step 6: Final answer
    x = 113,723.38

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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.