Home / 166,872.84-230,284.80-90,392.16

Finding the Fourth Proportional to 166,872.84, 230,284.80 and 90,392.16

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Solution

The fourth proportional to 166,872.84, 230,284.80 and 90,392.16 is: 124,741.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,872.84 : 230,284.80 = 90,392.16 : x
  2. Step 2: Convert to fraction form
    166,872.84/230,284.80 = 90,392.16/x
  3. Step 3: Cross multiply
    166,872.84x = 230,284.80 × 90,392.16
  4. Step 4: Simplify right side
    166,872.84x = 20,815,940,487.17
  5. Step 5: Solve for x
    x = 20,815,940,487.17/166,872.84
  6. Step 6: Final answer
    x = 124,741.33

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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.