Home / 133,609.28-184,414.08-77,054.72

Finding the Fourth Proportional to 133,609.28, 184,414.08 and 77,054.72

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Solution

The fourth proportional to 133,609.28, 184,414.08 and 77,054.72 is: 106,354.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,609.28 : 184,414.08 = 77,054.72 : x
  2. Step 2: Convert to fraction form
    133,609.28/184,414.08 = 77,054.72/x
  3. Step 3: Cross multiply
    133,609.28x = 184,414.08 × 77,054.72
  4. Step 4: Simplify right side
    133,609.28x = 14,209,975,298.46
  5. Step 5: Solve for x
    x = 14,209,975,298.46/133,609.28
  6. Step 6: Final answer
    x = 106,354.70

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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.