Home / 133,770.98-184,619.34-76,419.38

Finding the Fourth Proportional to 133,770.98, 184,619.34 and 76,419.38

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Solution

The fourth proportional to 133,770.98, 184,619.34 and 76,419.38 is: 105,467.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,770.98 : 184,619.34 = 76,419.38 : x
  2. Step 2: Convert to fraction form
    133,770.98/184,619.34 = 76,419.38/x
  3. Step 3: Cross multiply
    133,770.98x = 184,619.34 × 76,419.38
  4. Step 4: Simplify right side
    133,770.98x = 14,108,495,498.81
  5. Step 5: Solve for x
    x = 14,108,495,498.81/133,770.98
  6. Step 6: Final answer
    x = 105,467.53

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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.