Home / 163,429.52-225,520.61-91,821.47

Finding the Fourth Proportional to 163,429.52, 225,520.61 and 91,821.47

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Solution

The fourth proportional to 163,429.52, 225,520.61 and 91,821.47 is: 126,706.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,429.52 : 225,520.61 = 91,821.47 : x
  2. Step 2: Convert to fraction form
    163,429.52/225,520.61 = 91,821.47/x
  3. Step 3: Cross multiply
    163,429.52x = 225,520.61 × 91,821.47
  4. Step 4: Simplify right side
    163,429.52x = 20,707,632,338.79
  5. Step 5: Solve for x
    x = 20,707,632,338.79/163,429.52
  6. Step 6: Final answer
    x = 126,706.81

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1.5x scale

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.