Home / 104,208.30-143,814.65-63,388.35

Finding the Fourth Proportional to 104,208.30, 143,814.65 and 63,388.35

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Solution

The fourth proportional to 104,208.30, 143,814.65 and 63,388.35 is: 87,480.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,208.30 : 143,814.65 = 63,388.35 : x
  2. Step 2: Convert to fraction form
    104,208.30/143,814.65 = 63,388.35/x
  3. Step 3: Cross multiply
    104,208.30x = 143,814.65 × 63,388.35
  4. Step 4: Simplify right side
    104,208.30x = 9,116,173,052.39
  5. Step 5: Solve for x
    x = 9,116,173,052.39/104,208.30
  6. Step 6: Final answer
    x = 87,480.30

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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.