Home / 152,236.40-228,559.80-89,121.20

Finding the Fourth Proportional to 152,236.40, 228,559.80 and 89,121.20

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Solution

The fourth proportional to 152,236.40, 228,559.80 and 89,121.20 is: 133,801.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,236.40 : 228,559.80 = 89,121.20 : x
  2. Step 2: Convert to fraction form
    152,236.40/228,559.80 = 89,121.20/x
  3. Step 3: Cross multiply
    152,236.40x = 228,559.80 × 89,121.20
  4. Step 4: Simplify right side
    152,236.40x = 20,369,523,647.76
  5. Step 5: Solve for x
    x = 20,369,523,647.76/152,236.40
  6. Step 6: Final answer
    x = 133,801.93

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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.