Home / 137,584.24-205,434.80-123,260.40

Finding the Fourth Proportional to 137,584.24, 205,434.80 and 123,260.40

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Solution

The fourth proportional to 137,584.24, 205,434.80 and 123,260.40 is: 184,047.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,584.24 : 205,434.80 = 123,260.40 : x
  2. Step 2: Convert to fraction form
    137,584.24/205,434.80 = 123,260.40/x
  3. Step 3: Cross multiply
    137,584.24x = 205,434.80 × 123,260.40
  4. Step 4: Simplify right side
    137,584.24x = 25,321,975,621.92
  5. Step 5: Solve for x
    x = 25,321,975,621.92/137,584.24
  6. Step 6: Final answer
    x = 184,047.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.