Home / 152,015.30-228,001.35-52,180.10

Finding the Fourth Proportional to 152,015.30, 228,001.35 and 52,180.10

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Solution

The fourth proportional to 152,015.30, 228,001.35 and 52,180.10 is: 78,262.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,015.30 : 228,001.35 = 52,180.10 : x
  2. Step 2: Convert to fraction form
    152,015.30/228,001.35 = 52,180.10/x
  3. Step 3: Cross multiply
    152,015.30x = 228,001.35 × 52,180.10
  4. Step 4: Simplify right side
    152,015.30x = 11,897,133,243.14
  5. Step 5: Solve for x
    x = 11,897,133,243.14/152,015.30
  6. Step 6: Final answer
    x = 78,262.74

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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.