Home / 163,288.90-225,323.13-91,652.50

Finding the Fourth Proportional to 163,288.90, 225,323.13 and 91,652.50

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Solution

The fourth proportional to 163,288.90, 225,323.13 and 91,652.50 is: 126,471.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,288.90 : 225,323.13 = 91,652.50 : x
  2. Step 2: Convert to fraction form
    163,288.90/225,323.13 = 91,652.50/x
  3. Step 3: Cross multiply
    163,288.90x = 225,323.13 × 91,652.50
  4. Step 4: Simplify right side
    163,288.90x = 20,651,428,172.33
  5. Step 5: Solve for x
    x = 20,651,428,172.33/163,288.90
  6. Step 6: Final answer
    x = 126,471.72

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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.