Home / 169,664.07-234,165.21-98,085.72

Finding the Fourth Proportional to 169,664.07, 234,165.21 and 98,085.72

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Solution

The fourth proportional to 169,664.07, 234,165.21 and 98,085.72 is: 135,374.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,664.07 : 234,165.21 = 98,085.72 : x
  2. Step 2: Convert to fraction form
    169,664.07/234,165.21 = 98,085.72/x
  3. Step 3: Cross multiply
    169,664.07x = 234,165.21 × 98,085.72
  4. Step 4: Simplify right side
    169,664.07x = 22,968,263,221.80
  5. Step 5: Solve for x
    x = 22,968,263,221.80/169,664.07
  6. Step 6: Final answer
    x = 135,374.94

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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.