Home / 104,246.66-143,860.32-56,499.98

Finding the Fourth Proportional to 104,246.66, 143,860.32 and 56,499.98

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Solution

The fourth proportional to 104,246.66, 143,860.32 and 56,499.98 is: 77,969.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,246.66 : 143,860.32 = 56,499.98 : x
  2. Step 2: Convert to fraction form
    104,246.66/143,860.32 = 56,499.98/x
  3. Step 3: Cross multiply
    104,246.66x = 143,860.32 × 56,499.98
  4. Step 4: Simplify right side
    104,246.66x = 8,128,105,202.79
  5. Step 5: Solve for x
    x = 8,128,105,202.79/104,246.66
  6. Step 6: Final answer
    x = 77,969.93

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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.