Home / 152,278.20-228,449.70-47,107.80

Finding the Fourth Proportional to 152,278.20, 228,449.70 and 47,107.80

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Solution

The fourth proportional to 152,278.20, 228,449.70 and 47,107.80 is: 70,671.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,278.20 : 228,449.70 = 47,107.80 : x
  2. Step 2: Convert to fraction form
    152,278.20/228,449.70 = 47,107.80/x
  3. Step 3: Cross multiply
    152,278.20x = 228,449.70 × 47,107.80
  4. Step 4: Simplify right side
    152,278.20x = 10,761,762,777.66
  5. Step 5: Solve for x
    x = 10,761,762,777.66/152,278.20
  6. Step 6: Final answer
    x = 70,671.72

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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.