Home / 166,513.80-229,509.12-126,214.68

Finding the Fourth Proportional to 166,513.80, 229,509.12 and 126,214.68

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Solution

The fourth proportional to 166,513.80, 229,509.12 and 126,214.68 is: 173,964.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,513.80 : 229,509.12 = 126,214.68 : x
  2. Step 2: Convert to fraction form
    166,513.80/229,509.12 = 126,214.68/x
  3. Step 3: Cross multiply
    166,513.80x = 229,509.12 × 126,214.68
  4. Step 4: Simplify right side
    166,513.80x = 28,967,420,137.88
  5. Step 5: Solve for x
    x = 28,967,420,137.88/166,513.80
  6. Step 6: Final answer
    x = 173,964.08

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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.