Home / 152,311.02-228,330.91-72,299.63

Finding the Fourth Proportional to 152,311.02, 228,330.91 and 72,299.63

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Solution

The fourth proportional to 152,311.02, 228,330.91 and 72,299.63 is: 108,385.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,311.02 : 228,330.91 = 72,299.63 : x
  2. Step 2: Convert to fraction form
    152,311.02/228,330.91 = 72,299.63/x
  3. Step 3: Cross multiply
    152,311.02x = 228,330.91 × 72,299.63
  4. Step 4: Simplify right side
    152,311.02x = 16,508,240,310.56
  5. Step 5: Solve for x
    x = 16,508,240,310.56/152,311.02
  6. Step 6: Final answer
    x = 108,385.07

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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.