Home / 152,107.20-228,140.10-39,796.20

Finding the Fourth Proportional to 152,107.20, 228,140.10 and 39,796.20

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Solution

The fourth proportional to 152,107.20, 228,140.10 and 39,796.20 is: 59,688.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,107.20 : 228,140.10 = 39,796.20 : x
  2. Step 2: Convert to fraction form
    152,107.20/228,140.10 = 39,796.20/x
  3. Step 3: Cross multiply
    152,107.20x = 228,140.10 × 39,796.20
  4. Step 4: Simplify right side
    152,107.20x = 9,079,109,047.62
  5. Step 5: Solve for x
    x = 9,079,109,047.62/152,107.20
  6. Step 6: Final answer
    x = 59,688.88

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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.