Home / 207,851.60-311,869.20-101,176.40

Finding the Fourth Proportional to 207,851.60, 311,869.20 and 101,176.40

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Solution

The fourth proportional to 207,851.60, 311,869.20 and 101,176.40 is: 151,809.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,851.60 : 311,869.20 = 101,176.40 : x
  2. Step 2: Convert to fraction form
    207,851.60/311,869.20 = 101,176.40/x
  3. Step 3: Cross multiply
    207,851.60x = 311,869.20 × 101,176.40
  4. Step 4: Simplify right side
    207,851.60x = 31,553,802,926.88
  5. Step 5: Solve for x
    x = 31,553,802,926.88/207,851.60
  6. Step 6: Final answer
    x = 151,809.29

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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.