Home / 158,975.66-219,398.63-91,013.96

Finding the Fourth Proportional to 158,975.66, 219,398.63 and 91,013.96

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Solution

The fourth proportional to 158,975.66, 219,398.63 and 91,013.96 is: 125,606.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,975.66 : 219,398.63 = 91,013.96 : x
  2. Step 2: Convert to fraction form
    158,975.66/219,398.63 = 91,013.96/x
  3. Step 3: Cross multiply
    158,975.66x = 219,398.63 × 91,013.96
  4. Step 4: Simplify right side
    158,975.66x = 19,968,338,228.30
  5. Step 5: Solve for x
    x = 19,968,338,228.30/158,975.66
  6. Step 6: Final answer
    x = 125,606.26

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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.