Home / 152,930.20-228,941.70-113,661.40

Finding the Fourth Proportional to 152,930.20, 228,941.70 and 113,661.40

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Solution

The fourth proportional to 152,930.20, 228,941.70 and 113,661.40 is: 170,154.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,930.20 : 228,941.70 = 113,661.40 : x
  2. Step 2: Convert to fraction form
    152,930.20/228,941.70 = 113,661.40/x
  3. Step 3: Cross multiply
    152,930.20x = 228,941.70 × 113,661.40
  4. Step 4: Simplify right side
    152,930.20x = 26,021,834,140.38
  5. Step 5: Solve for x
    x = 26,021,834,140.38/152,930.20
  6. Step 6: Final answer
    x = 170,154.97

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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.