Home / 166,514.13-229,509.65-126,215.01

Finding the Fourth Proportional to 166,514.13, 229,509.65 and 126,215.01

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Solution

The fourth proportional to 166,514.13, 229,509.65 and 126,215.01 is: 173,964.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,514.13 : 229,509.65 = 126,215.01 : x
  2. Step 2: Convert to fraction form
    166,514.13/229,509.65 = 126,215.01/x
  3. Step 3: Cross multiply
    166,514.13x = 229,509.65 × 126,215.01
  4. Step 4: Simplify right side
    166,514.13x = 28,967,563,085.38
  5. Step 5: Solve for x
    x = 28,967,563,085.38/166,514.13
  6. Step 6: Final answer
    x = 173,964.59

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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.