Home / 152,665.20-228,997.80-135,752.40

Finding the Fourth Proportional to 152,665.20, 228,997.80 and 135,752.40

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Solution

The fourth proportional to 152,665.20, 228,997.80 and 135,752.40 is: 203,628.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,665.20 : 228,997.80 = 135,752.40 : x
  2. Step 2: Convert to fraction form
    152,665.20/228,997.80 = 135,752.40/x
  3. Step 3: Cross multiply
    152,665.20x = 228,997.80 × 135,752.40
  4. Step 4: Simplify right side
    152,665.20x = 31,087,000,944.72
  5. Step 5: Solve for x
    x = 31,087,000,944.72/152,665.20
  6. Step 6: Final answer
    x = 203,628.60

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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.