Home / 144,784.20-217,176.30-127,288.20

Finding the Fourth Proportional to 144,784.20, 217,176.30 and 127,288.20

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Solution

The fourth proportional to 144,784.20, 217,176.30 and 127,288.20 is: 190,932.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,784.20 : 217,176.30 = 127,288.20 : x
  2. Step 2: Convert to fraction form
    144,784.20/217,176.30 = 127,288.20/x
  3. Step 3: Cross multiply
    144,784.20x = 217,176.30 × 127,288.20
  4. Step 4: Simplify right side
    144,784.20x = 27,643,980,309.66
  5. Step 5: Solve for x
    x = 27,643,980,309.66/144,784.20
  6. Step 6: Final answer
    x = 190,932.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.