Home / 163,289.43-225,339.24-91,669.59

Finding the Fourth Proportional to 163,289.43, 225,339.24 and 91,669.59

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Solution

The fourth proportional to 163,289.43, 225,339.24 and 91,669.59 is: 126,503.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,289.43 : 225,339.24 = 91,669.59 : x
  2. Step 2: Convert to fraction form
    163,289.43/225,339.24 = 91,669.59/x
  3. Step 3: Cross multiply
    163,289.43x = 225,339.24 × 91,669.59
  4. Step 4: Simplify right side
    163,289.43x = 20,656,756,085.47
  5. Step 5: Solve for x
    x = 20,656,756,085.47/163,289.43
  6. Step 6: Final answer
    x = 126,503.94

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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.