Home / 132,005.40-198,056.70-53,176.20

Finding the Fourth Proportional to 132,005.40, 198,056.70 and 53,176.20

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Solution

The fourth proportional to 132,005.40, 198,056.70 and 53,176.20 is: 79,783.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,005.40 : 198,056.70 = 53,176.20 : x
  2. Step 2: Convert to fraction form
    132,005.40/198,056.70 = 53,176.20/x
  3. Step 3: Cross multiply
    132,005.40x = 198,056.70 × 53,176.20
  4. Step 4: Simplify right side
    132,005.40x = 10,531,902,690.54
  5. Step 5: Solve for x
    x = 10,531,902,690.54/132,005.40
  6. Step 6: Final answer
    x = 79,783.88

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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.