Home / 103,764.36-143,192.86-63,475.16

Finding the Fourth Proportional to 103,764.36, 143,192.86 and 63,475.16

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Solution

The fourth proportional to 103,764.36, 143,192.86 and 63,475.16 is: 87,594.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,764.36 : 143,192.86 = 63,475.16 : x
  2. Step 2: Convert to fraction form
    103,764.36/143,192.86 = 63,475.16/x
  3. Step 3: Cross multiply
    103,764.36x = 143,192.86 × 63,475.16
  4. Step 4: Simplify right side
    103,764.36x = 9,089,189,699.36
  5. Step 5: Solve for x
    x = 9,089,189,699.36/103,764.36
  6. Step 6: Final answer
    x = 87,594.52

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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.