Home / 130,956.71-196,436.30-71,760.06

Finding the Fourth Proportional to 130,956.71, 196,436.30 and 71,760.06

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Solution

The fourth proportional to 130,956.71, 196,436.30 and 71,760.06 is: 107,640.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,956.71 : 196,436.30 = 71,760.06 : x
  2. Step 2: Convert to fraction form
    130,956.71/196,436.30 = 71,760.06/x
  3. Step 3: Cross multiply
    130,956.71x = 196,436.30 × 71,760.06
  4. Step 4: Simplify right side
    130,956.71x = 14,096,280,315.38
  5. Step 5: Solve for x
    x = 14,096,280,315.38/130,956.71
  6. Step 6: Final answer
    x = 107,640.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.