Home / 163,462.47-225,578.40-91,842.45

Finding the Fourth Proportional to 163,462.47, 225,578.40 and 91,842.45

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Solution

The fourth proportional to 163,462.47, 225,578.40 and 91,842.45 is: 126,742.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,462.47 : 225,578.40 = 91,842.45 : x
  2. Step 2: Convert to fraction form
    163,462.47/225,578.40 = 91,842.45/x
  3. Step 3: Cross multiply
    163,462.47x = 225,578.40 × 91,842.45
  4. Step 4: Simplify right side
    163,462.47x = 20,717,672,923.08
  5. Step 5: Solve for x
    x = 20,717,672,923.08/163,462.47
  6. Step 6: Final answer
    x = 126,742.69

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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.