Home / 105,512.64-158,270.66-34,435.02

Finding the Fourth Proportional to 105,512.64, 158,270.66 and 34,435.02

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Solution

The fourth proportional to 105,512.64, 158,270.66 and 34,435.02 is: 51,653.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,512.64 : 158,270.66 = 34,435.02 : x
  2. Step 2: Convert to fraction form
    105,512.64/158,270.66 = 34,435.02/x
  3. Step 3: Cross multiply
    105,512.64x = 158,270.66 × 34,435.02
  4. Step 4: Simplify right side
    105,512.64x = 5,450,053,342.51
  5. Step 5: Solve for x
    x = 5,450,053,342.51/105,512.64
  6. Step 6: Final answer
    x = 51,653.08

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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.