Home / 125,285.30-188,026.36-69,164.15

Finding the Fourth Proportional to 125,285.30, 188,026.36 and 69,164.15

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Solution

The fourth proportional to 125,285.30, 188,026.36 and 69,164.15 is: 103,800.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,285.30 : 188,026.36 = 69,164.15 : x
  2. Step 2: Convert to fraction form
    125,285.30/188,026.36 = 69,164.15/x
  3. Step 3: Cross multiply
    125,285.30x = 188,026.36 × 69,164.15
  4. Step 4: Simplify right side
    125,285.30x = 13,004,682,253.95
  5. Step 5: Solve for x
    x = 13,004,682,253.95/125,285.30
  6. Step 6: Final answer
    x = 103,800.55

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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.