Home / 115,446.22-159,314.26-64,459.82

Finding the Fourth Proportional to 115,446.22, 159,314.26 and 64,459.82

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Solution

The fourth proportional to 115,446.22, 159,314.26 and 64,459.82 is: 88,953.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,446.22 : 159,314.26 = 64,459.82 : x
  2. Step 2: Convert to fraction form
    115,446.22/159,314.26 = 64,459.82/x
  3. Step 3: Cross multiply
    115,446.22x = 159,314.26 × 64,459.82
  4. Step 4: Simplify right side
    115,446.22x = 10,269,367,565.31
  5. Step 5: Solve for x
    x = 10,269,367,565.31/115,446.22
  6. Step 6: Final answer
    x = 88,953.69

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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.