Home / 125,971.74-188,964.50-51,080.76

Finding the Fourth Proportional to 125,971.74, 188,964.50 and 51,080.76

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Solution

The fourth proportional to 125,971.74, 188,964.50 and 51,080.76 is: 76,623.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,971.74 : 188,964.50 = 51,080.76 : x
  2. Step 2: Convert to fraction form
    125,971.74/188,964.50 = 51,080.76/x
  3. Step 3: Cross multiply
    125,971.74x = 188,964.50 × 51,080.76
  4. Step 4: Simplify right side
    125,971.74x = 9,652,450,017.62
  5. Step 5: Solve for x
    x = 9,652,450,017.62/125,971.74
  6. Step 6: Final answer
    x = 76,623.93

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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.