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Finding the Fourth Proportional to 152,129.80, 228,000.30 and 73,073.80

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Solution

The fourth proportional to 152,129.80, 228,000.30 and 73,073.80 is: 109,517.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,129.80 : 228,000.30 = 73,073.80 : x
  2. Step 2: Convert to fraction form
    152,129.80/228,000.30 = 73,073.80/x
  3. Step 3: Cross multiply
    152,129.80x = 228,000.30 × 73,073.80
  4. Step 4: Simplify right side
    152,129.80x = 16,660,848,322.14
  5. Step 5: Solve for x
    x = 16,660,848,322.14/152,129.80
  6. Step 6: Final answer
    x = 109,517.32

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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.