Home / 166,828.26-230,222.66-90,347.12

Finding the Fourth Proportional to 166,828.26, 230,222.66 and 90,347.12

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Solution

The fourth proportional to 166,828.26, 230,222.66 and 90,347.12 is: 124,678.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,828.26 : 230,222.66 = 90,347.12 : x
  2. Step 2: Convert to fraction form
    166,828.26/230,222.66 = 90,347.12/x
  3. Step 3: Cross multiply
    166,828.26x = 230,222.66 × 90,347.12
  4. Step 4: Simplify right side
    166,828.26x = 20,799,952,686.89
  5. Step 5: Solve for x
    x = 20,799,952,686.89/166,828.26
  6. Step 6: Final answer
    x = 124,678.83

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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.