Home / 145,764.48-201,157.92-88,403.52

Finding the Fourth Proportional to 145,764.48, 201,157.92 and 88,403.52

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Solution

The fourth proportional to 145,764.48, 201,157.92 and 88,403.52 is: 121,998.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,764.48 : 201,157.92 = 88,403.52 : x
  2. Step 2: Convert to fraction form
    145,764.48/201,157.92 = 88,403.52/x
  3. Step 3: Cross multiply
    145,764.48x = 201,157.92 × 88,403.52
  4. Step 4: Simplify right side
    145,764.48x = 17,783,068,203.88
  5. Step 5: Solve for x
    x = 17,783,068,203.88/145,764.48
  6. Step 6: Final answer
    x = 121,998.64

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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.