Home / 100,189.40-150,284.10-25,309.76

Finding the Fourth Proportional to 100,189.40, 150,284.10 and 25,309.76

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Solution

The fourth proportional to 100,189.40, 150,284.10 and 25,309.76 is: 37,964.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,189.40 : 150,284.10 = 25,309.76 : x
  2. Step 2: Convert to fraction form
    100,189.40/150,284.10 = 25,309.76/x
  3. Step 3: Cross multiply
    100,189.40x = 150,284.10 × 25,309.76
  4. Step 4: Simplify right side
    100,189.40x = 3,803,654,502.82
  5. Step 5: Solve for x
    x = 3,803,654,502.82/100,189.40
  6. Step 6: Final answer
    x = 37,964.64

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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.