Home / 125,039.34-172,558.56-68,450.76

Finding the Fourth Proportional to 125,039.34, 172,558.56 and 68,450.76

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Solution

The fourth proportional to 125,039.34, 172,558.56 and 68,450.76 is: 94,464.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,039.34 : 172,558.56 = 68,450.76 : x
  2. Step 2: Convert to fraction form
    125,039.34/172,558.56 = 68,450.76/x
  3. Step 3: Cross multiply
    125,039.34x = 172,558.56 × 68,450.76
  4. Step 4: Simplify right side
    125,039.34x = 11,811,764,576.51
  5. Step 5: Solve for x
    x = 11,811,764,576.51/125,039.34
  6. Step 6: Final answer
    x = 94,464.39

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1.5x scale

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.