Home / 103,926.96-143,419.31-56,180.32

Finding the Fourth Proportional to 103,926.96, 143,419.31 and 56,180.32

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Solution

The fourth proportional to 103,926.96, 143,419.31 and 56,180.32 is: 77,528.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,926.96 : 143,419.31 = 56,180.32 : x
  2. Step 2: Convert to fraction form
    103,926.96/143,419.31 = 56,180.32/x
  3. Step 3: Cross multiply
    103,926.96x = 143,419.31 × 56,180.32
  4. Step 4: Simplify right side
    103,926.96x = 8,057,342,729.98
  5. Step 5: Solve for x
    x = 8,057,342,729.98/103,926.96
  6. Step 6: Final answer
    x = 77,528.90

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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.