Home / 103,207.62-142,467.03-69,203.69

Finding the Fourth Proportional to 103,207.62, 142,467.03 and 69,203.69

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Solution

The fourth proportional to 103,207.62, 142,467.03 and 69,203.69 is: 95,528.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,207.62 : 142,467.03 = 69,203.69 : x
  2. Step 2: Convert to fraction form
    103,207.62/142,467.03 = 69,203.69/x
  3. Step 3: Cross multiply
    103,207.62x = 142,467.03 × 69,203.69
  4. Step 4: Simplify right side
    103,207.62x = 9,859,243,467.01
  5. Step 5: Solve for x
    x = 9,859,243,467.01/103,207.62
  6. Step 6: Final answer
    x = 95,528.25

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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.