Home / 152,512.20-228,768.30-99,368.10

Finding the Fourth Proportional to 152,512.20, 228,768.30 and 99,368.10

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Solution

The fourth proportional to 152,512.20, 228,768.30 and 99,368.10 is: 149,052.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,512.20 : 228,768.30 = 99,368.10 : x
  2. Step 2: Convert to fraction form
    152,512.20/228,768.30 = 99,368.10/x
  3. Step 3: Cross multiply
    152,512.20x = 228,768.30 × 99,368.10
  4. Step 4: Simplify right side
    152,512.20x = 22,732,271,311.23
  5. Step 5: Solve for x
    x = 22,732,271,311.23/152,512.20
  6. Step 6: Final answer
    x = 149,052.15

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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.