Home / 152,655.40-228,983.10-131,660.20

Finding the Fourth Proportional to 152,655.40, 228,983.10 and 131,660.20

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Solution

The fourth proportional to 152,655.40, 228,983.10 and 131,660.20 is: 197,490.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,655.40 : 228,983.10 = 131,660.20 : x
  2. Step 2: Convert to fraction form
    152,655.40/228,983.10 = 131,660.20/x
  3. Step 3: Cross multiply
    152,655.40x = 228,983.10 × 131,660.20
  4. Step 4: Simplify right side
    152,655.40x = 30,147,960,742.62
  5. Step 5: Solve for x
    x = 30,147,960,742.62/152,655.40
  6. Step 6: Final answer
    x = 197,490.30

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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.