Home / 169,839.08-234,430.15-109,409.54

Finding the Fourth Proportional to 169,839.08, 234,430.15 and 109,409.54

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Solution

The fourth proportional to 169,839.08, 234,430.15 and 109,409.54 is: 151,018.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,839.08 : 234,430.15 = 109,409.54 : x
  2. Step 2: Convert to fraction form
    169,839.08/234,430.15 = 109,409.54/x
  3. Step 3: Cross multiply
    169,839.08x = 234,430.15 × 109,409.54
  4. Step 4: Simplify right side
    169,839.08x = 25,648,893,633.10
  5. Step 5: Solve for x
    x = 25,648,893,633.10/169,839.08
  6. Step 6: Final answer
    x = 151,018.80

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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.