Home / 143,347.32-214,751.25-84,006.72

Finding the Fourth Proportional to 143,347.32, 214,751.25 and 84,006.72

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Solution

The fourth proportional to 143,347.32, 214,751.25 and 84,006.72 is: 125,852.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,347.32 : 214,751.25 = 84,006.72 : x
  2. Step 2: Convert to fraction form
    143,347.32/214,751.25 = 84,006.72/x
  3. Step 3: Cross multiply
    143,347.32x = 214,751.25 × 84,006.72
  4. Step 4: Simplify right side
    143,347.32x = 18,040,548,128.40
  5. Step 5: Solve for x
    x = 18,040,548,128.40/143,347.32
  6. Step 6: Final answer
    x = 125,852.01

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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.