Home / 119,400.30-164,768.96-64,950.75

Finding the Fourth Proportional to 119,400.30, 164,768.96 and 64,950.75

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Solution

The fourth proportional to 119,400.30, 164,768.96 and 64,950.75 is: 89,630.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,400.30 : 164,768.96 = 64,950.75 : x
  2. Step 2: Convert to fraction form
    119,400.30/164,768.96 = 64,950.75/x
  3. Step 3: Cross multiply
    119,400.30x = 164,768.96 × 64,950.75
  4. Step 4: Simplify right side
    119,400.30x = 10,701,867,691.10
  5. Step 5: Solve for x
    x = 10,701,867,691.10/119,400.30
  6. Step 6: Final answer
    x = 89,630.16

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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.