Home / 170,755.32-235,655.82-99,157.80

Finding the Fourth Proportional to 170,755.32, 235,655.82 and 99,157.80

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Solution

The fourth proportional to 170,755.32, 235,655.82 and 99,157.80 is: 136,845.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,755.32 : 235,655.82 = 99,157.80 : x
  2. Step 2: Convert to fraction form
    170,755.32/235,655.82 = 99,157.80/x
  3. Step 3: Cross multiply
    170,755.32x = 235,655.82 × 99,157.80
  4. Step 4: Simplify right side
    170,755.32x = 23,367,112,668.40
  5. Step 5: Solve for x
    x = 23,367,112,668.40/170,755.32
  6. Step 6: Final answer
    x = 136,845.59

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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.