Home / 163,287.20-225,323.90-91,653.38

Finding the Fourth Proportional to 163,287.20, 225,323.90 and 91,653.38

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Solution

The fourth proportional to 163,287.20, 225,323.90 and 91,653.38 is: 126,474.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,287.20 : 225,323.90 = 91,653.38 : x
  2. Step 2: Convert to fraction form
    163,287.20/225,323.90 = 91,653.38/x
  3. Step 3: Cross multiply
    163,287.20x = 225,323.90 × 91,653.38
  4. Step 4: Simplify right side
    163,287.20x = 20,651,697,710.35
  5. Step 5: Solve for x
    x = 20,651,697,710.35/163,287.20
  6. Step 6: Final answer
    x = 126,474.69

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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.