Home / 163,382.53-225,468.79-91,762.56

Finding the Fourth Proportional to 163,382.53, 225,468.79 and 91,762.56

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Solution

The fourth proportional to 163,382.53, 225,468.79 and 91,762.56 is: 126,632.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,382.53 : 225,468.79 = 91,762.56 : x
  2. Step 2: Convert to fraction form
    163,382.53/225,468.79 = 91,762.56/x
  3. Step 3: Cross multiply
    163,382.53x = 225,468.79 × 91,762.56
  4. Step 4: Simplify right side
    163,382.53x = 20,689,593,082.11
  5. Step 5: Solve for x
    x = 20,689,593,082.11/163,382.53
  6. Step 6: Final answer
    x = 126,632.84

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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.