Home / 165,403.32-248,186.84-65,561.28

Finding the Fourth Proportional to 165,403.32, 248,186.84 and 65,561.28

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Solution

The fourth proportional to 165,403.32, 248,186.84 and 65,561.28 is: 98,374.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,403.32 : 248,186.84 = 65,561.28 : x
  2. Step 2: Convert to fraction form
    165,403.32/248,186.84 = 65,561.28/x
  3. Step 3: Cross multiply
    165,403.32x = 248,186.84 × 65,561.28
  4. Step 4: Simplify right side
    165,403.32x = 16,271,446,909.56
  5. Step 5: Solve for x
    x = 16,271,446,909.56/165,403.32
  6. Step 6: Final answer
    x = 98,374.37

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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.