Home / 163,055.61-225,013.23-91,434.06

Finding the Fourth Proportional to 163,055.61, 225,013.23 and 91,434.06

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Solution

The fourth proportional to 163,055.61, 225,013.23 and 91,434.06 is: 126,177.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,055.61 : 225,013.23 = 91,434.06 : x
  2. Step 2: Convert to fraction form
    163,055.61/225,013.23 = 91,434.06/x
  3. Step 3: Cross multiply
    163,055.61x = 225,013.23 × 91,434.06
  4. Step 4: Simplify right side
    163,055.61x = 20,573,873,172.61
  5. Step 5: Solve for x
    x = 20,573,873,172.61/163,055.61
  6. Step 6: Final answer
    x = 126,177.03

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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.