Home / 270,133.28-372,785.10-147,628.14

Finding the Fourth Proportional to 270,133.28, 372,785.10 and 147,628.14

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Solution

The fourth proportional to 270,133.28, 372,785.10 and 147,628.14 is: 203,727.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,133.28 : 372,785.10 = 147,628.14 : x
  2. Step 2: Convert to fraction form
    270,133.28/372,785.10 = 147,628.14/x
  3. Step 3: Cross multiply
    270,133.28x = 372,785.10 × 147,628.14
  4. Step 4: Simplify right side
    270,133.28x = 55,033,570,932.71
  5. Step 5: Solve for x
    x = 55,033,570,932.71/270,133.28
  6. Step 6: Final answer
    x = 203,727.47

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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.