Home / 166,864.32-230,304.78-130,493.70

Finding the Fourth Proportional to 166,864.32, 230,304.78 and 130,493.70

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Solution

The fourth proportional to 166,864.32, 230,304.78 and 130,493.70 is: 180,106.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,864.32 : 230,304.78 = 130,493.70 : x
  2. Step 2: Convert to fraction form
    166,864.32/230,304.78 = 130,493.70/x
  3. Step 3: Cross multiply
    166,864.32x = 230,304.78 × 130,493.70
  4. Step 4: Simplify right side
    166,864.32x = 30,053,322,869.89
  5. Step 5: Solve for x
    x = 30,053,322,869.89/166,864.32
  6. Step 6: Final answer
    x = 180,106.35

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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.