Home / 134,666.96-185,822.92-77,308.78

Finding the Fourth Proportional to 134,666.96, 185,822.92 and 77,308.78

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Solution

The fourth proportional to 134,666.96, 185,822.92 and 77,308.78 is: 106,676.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,666.96 : 185,822.92 = 77,308.78 : x
  2. Step 2: Convert to fraction form
    134,666.96/185,822.92 = 77,308.78/x
  3. Step 3: Cross multiply
    134,666.96x = 185,822.92 × 77,308.78
  4. Step 4: Simplify right side
    134,666.96x = 14,365,743,241.24
  5. Step 5: Solve for x
    x = 14,365,743,241.24/134,666.96
  6. Step 6: Final answer
    x = 106,676.08

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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.