Home / 104,125.96-143,688.90-61,677.64

Finding the Fourth Proportional to 104,125.96, 143,688.90 and 61,677.64

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Solution

The fourth proportional to 104,125.96, 143,688.90 and 61,677.64 is: 85,112.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,125.96 : 143,688.90 = 61,677.64 : x
  2. Step 2: Convert to fraction form
    104,125.96/143,688.90 = 61,677.64/x
  3. Step 3: Cross multiply
    104,125.96x = 143,688.90 × 61,677.64
  4. Step 4: Simplify right side
    104,125.96x = 8,862,392,246.20
  5. Step 5: Solve for x
    x = 8,862,392,246.20/104,125.96
  6. Step 6: Final answer
    x = 85,112.23

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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.