Home / 119,870.15-165,370.41-84,083.54

Finding the Fourth Proportional to 119,870.15, 165,370.41 and 84,083.54

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Solution

The fourth proportional to 119,870.15, 165,370.41 and 84,083.54 is: 115,999.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,870.15 : 165,370.41 = 84,083.54 : x
  2. Step 2: Convert to fraction form
    119,870.15/165,370.41 = 84,083.54/x
  3. Step 3: Cross multiply
    119,870.15x = 165,370.41 × 84,083.54
  4. Step 4: Simplify right side
    119,870.15x = 13,904,928,657.20
  5. Step 5: Solve for x
    x = 13,904,928,657.20/119,870.15
  6. Step 6: Final answer
    x = 115,999.93

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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.