Home / 302,743.80-453,921.30-125,321.40

Finding the Fourth Proportional to 302,743.80, 453,921.30 and 125,321.40

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Solution

The fourth proportional to 302,743.80, 453,921.30 and 125,321.40 is: 187,901.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,743.80 : 453,921.30 = 125,321.40 : x
  2. Step 2: Convert to fraction form
    302,743.80/453,921.30 = 125,321.40/x
  3. Step 3: Cross multiply
    302,743.80x = 453,921.30 × 125,321.40
  4. Step 4: Simplify right side
    302,743.80x = 56,886,052,805.82
  5. Step 5: Solve for x
    x = 56,886,052,805.82/302,743.80
  6. Step 6: Final answer
    x = 187,901.63

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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.