Home / 133,821.12-184,659.84-77,250.72

Finding the Fourth Proportional to 133,821.12, 184,659.84 and 77,250.72

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Solution

The fourth proportional to 133,821.12, 184,659.84 and 77,250.72 is: 106,598.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,821.12 : 184,659.84 = 77,250.72 : x
  2. Step 2: Convert to fraction form
    133,821.12/184,659.84 = 77,250.72/x
  3. Step 3: Cross multiply
    133,821.12x = 184,659.84 × 77,250.72
  4. Step 4: Simplify right side
    133,821.12x = 14,265,105,595.08
  5. Step 5: Solve for x
    x = 14,265,105,595.08/133,821.12
  6. Step 6: Final answer
    x = 106,598.31

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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.