Home / 144,947.10-217,420.65-102,956.70

Finding the Fourth Proportional to 144,947.10, 217,420.65 and 102,956.70

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Solution

The fourth proportional to 144,947.10, 217,420.65 and 102,956.70 is: 154,435.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,947.10 : 217,420.65 = 102,956.70 : x
  2. Step 2: Convert to fraction form
    144,947.10/217,420.65 = 102,956.70/x
  3. Step 3: Cross multiply
    144,947.10x = 217,420.65 × 102,956.70
  4. Step 4: Simplify right side
    144,947.10x = 22,384,912,635.86
  5. Step 5: Solve for x
    x = 22,384,912,635.86/144,947.10
  6. Step 6: Final answer
    x = 154,435.05

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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.