Home / 145,313.38-200,630.30-129,952.27

Finding the Fourth Proportional to 145,313.38, 200,630.30 and 129,952.27

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Solution

The fourth proportional to 145,313.38, 200,630.30 and 129,952.27 is: 179,421.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,313.38 : 200,630.30 = 129,952.27 : x
  2. Step 2: Convert to fraction form
    145,313.38/200,630.30 = 129,952.27/x
  3. Step 3: Cross multiply
    145,313.38x = 200,630.30 × 129,952.27
  4. Step 4: Simplify right side
    145,313.38x = 26,072,361,764.44
  5. Step 5: Solve for x
    x = 26,072,361,764.44/145,313.38
  6. Step 6: Final answer
    x = 179,421.62

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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.