Home / 104,167.23-143,750.78-56,420.93

Finding the Fourth Proportional to 104,167.23, 143,750.78 and 56,420.93

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Solution

The fourth proportional to 104,167.23, 143,750.78 and 56,420.93 is: 77,860.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,167.23 : 143,750.78 = 56,420.93 : x
  2. Step 2: Convert to fraction form
    104,167.23/143,750.78 = 56,420.93/x
  3. Step 3: Cross multiply
    104,167.23x = 143,750.78 × 56,420.93
  4. Step 4: Simplify right side
    104,167.23x = 8,110,551,694.97
  5. Step 5: Solve for x
    x = 8,110,551,694.97/104,167.23
  6. Step 6: Final answer
    x = 77,860.88

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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.