Home / 166,639.32-229,723.02-118,809.66

Finding the Fourth Proportional to 166,639.32, 229,723.02 and 118,809.66

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Solution

The fourth proportional to 166,639.32, 229,723.02 and 118,809.66 is: 163,786.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,639.32 : 229,723.02 = 118,809.66 : x
  2. Step 2: Convert to fraction form
    166,639.32/229,723.02 = 118,809.66/x
  3. Step 3: Cross multiply
    166,639.32x = 229,723.02 × 118,809.66
  4. Step 4: Simplify right side
    166,639.32x = 27,293,313,900.37
  5. Step 5: Solve for x
    x = 27,293,313,900.37/166,639.32
  6. Step 6: Final answer
    x = 163,786.76

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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.