Home / 152,216.21-228,319.61-72,311.70

Finding the Fourth Proportional to 152,216.21, 228,319.61 and 72,311.70

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Solution

The fourth proportional to 152,216.21, 228,319.61 and 72,311.70 is: 108,465.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,216.21 : 228,319.61 = 72,311.70 : x
  2. Step 2: Convert to fraction form
    152,216.21/228,319.61 = 72,311.70/x
  3. Step 3: Cross multiply
    152,216.21x = 228,319.61 × 72,311.70
  4. Step 4: Simplify right side
    152,216.21x = 16,510,179,323.22
  5. Step 5: Solve for x
    x = 16,510,179,323.22/152,216.21
  6. Step 6: Final answer
    x = 108,465.31

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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.