Home / 166,818.29-230,208.18-90,336.16

Finding the Fourth Proportional to 166,818.29, 230,208.18 and 90,336.16

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Solution

The fourth proportional to 166,818.29, 230,208.18 and 90,336.16 is: 124,663.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,818.29 : 230,208.18 = 90,336.16 : x
  2. Step 2: Convert to fraction form
    166,818.29/230,208.18 = 90,336.16/x
  3. Step 3: Cross multiply
    166,818.29x = 230,208.18 × 90,336.16
  4. Step 4: Simplify right side
    166,818.29x = 20,796,122,930.79
  5. Step 5: Solve for x
    x = 20,796,122,930.79/166,818.29
  6. Step 6: Final answer
    x = 124,663.33

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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.