Home / 154,559.78-231,772.83-53,368.50

Finding the Fourth Proportional to 154,559.78, 231,772.83 and 53,368.50

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Solution

The fourth proportional to 154,559.78, 231,772.83 and 53,368.50 is: 80,029.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,559.78 : 231,772.83 = 53,368.50 : x
  2. Step 2: Convert to fraction form
    154,559.78/231,772.83 = 53,368.50/x
  3. Step 3: Cross multiply
    154,559.78x = 231,772.83 × 53,368.50
  4. Step 4: Simplify right side
    154,559.78x = 12,369,368,277.86
  5. Step 5: Solve for x
    x = 12,369,368,277.86/154,559.78
  6. Step 6: Final answer
    x = 80,029.67

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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.