Home / 152,276.12-228,448.74-82,153.88

Finding the Fourth Proportional to 152,276.12, 228,448.74 and 82,153.88

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Solution

The fourth proportional to 152,276.12, 228,448.74 and 82,153.88 is: 123,249.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,276.12 : 228,448.74 = 82,153.88 : x
  2. Step 2: Convert to fraction form
    152,276.12/228,448.74 = 82,153.88/x
  3. Step 3: Cross multiply
    152,276.12x = 228,448.74 × 82,153.88
  4. Step 4: Simplify right side
    152,276.12x = 18,767,950,372.11
  5. Step 5: Solve for x
    x = 18,767,950,372.11/152,276.12
  6. Step 6: Final answer
    x = 123,249.47

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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.