Home / 225,549.04-311,257.60-123,581

Finding the Fourth Proportional to 225,549.04, 311,257.60 and 123,581

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Solution

The fourth proportional to 225,549.04, 311,257.60 and 123,581 is: 170,541.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,549.04 : 311,257.60 = 123,581 : x
  2. Step 2: Convert to fraction form
    225,549.04/311,257.60 = 123,581/x
  3. Step 3: Cross multiply
    225,549.04x = 311,257.60 × 123,581
  4. Step 4: Simplify right side
    225,549.04x = 38,465,525,465.60
  5. Step 5: Solve for x
    x = 38,465,525,465.60/225,549.04
  6. Step 6: Final answer
    x = 170,541.74

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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.