Home / 119,026.38-178,305.91-69,001.34

Finding the Fourth Proportional to 119,026.38, 178,305.91 and 69,001.34

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Solution

The fourth proportional to 119,026.38, 178,305.91 and 69,001.34 is: 103,366.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,026.38 : 178,305.91 = 69,001.34 : x
  2. Step 2: Convert to fraction form
    119,026.38/178,305.91 = 69,001.34/x
  3. Step 3: Cross multiply
    119,026.38x = 178,305.91 × 69,001.34
  4. Step 4: Simplify right side
    119,026.38x = 12,303,346,993.18
  5. Step 5: Solve for x
    x = 12,303,346,993.18/119,026.38
  6. Step 6: Final answer
    x = 103,366.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.