Home / 169,835.13-254,821.88-85,619.59

Finding the Fourth Proportional to 169,835.13, 254,821.88 and 85,619.59

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Solution

The fourth proportional to 169,835.13, 254,821.88 and 85,619.59 is: 128,464.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,835.13 : 254,821.88 = 85,619.59 : x
  2. Step 2: Convert to fraction form
    169,835.13/254,821.88 = 85,619.59/x
  3. Step 3: Cross multiply
    169,835.13x = 254,821.88 × 85,619.59
  4. Step 4: Simplify right side
    169,835.13x = 21,817,744,888.63
  5. Step 5: Solve for x
    x = 21,817,744,888.63/169,835.13
  6. Step 6: Final answer
    x = 128,464.26

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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.