Home / 152,123.80-228,185.70-146,000.20

Finding the Fourth Proportional to 152,123.80, 228,185.70 and 146,000.20

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Solution

The fourth proportional to 152,123.80, 228,185.70 and 146,000.20 is: 219,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,123.80 : 228,185.70 = 146,000.20 : x
  2. Step 2: Convert to fraction form
    152,123.80/228,185.70 = 146,000.20/x
  3. Step 3: Cross multiply
    152,123.80x = 228,185.70 × 146,000.20
  4. Step 4: Simplify right side
    152,123.80x = 33,315,157,837.14
  5. Step 5: Solve for x
    x = 33,315,157,837.14/152,123.80
  6. Step 6: Final answer
    x = 219,000.30

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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.