Home / 143,135.10-214,702.65-43,310.70

Finding the Fourth Proportional to 143,135.10, 214,702.65 and 43,310.70

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Solution

The fourth proportional to 143,135.10, 214,702.65 and 43,310.70 is: 64,966.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,135.10 : 214,702.65 = 43,310.70 : x
  2. Step 2: Convert to fraction form
    143,135.10/214,702.65 = 43,310.70/x
  3. Step 3: Cross multiply
    143,135.10x = 214,702.65 × 43,310.70
  4. Step 4: Simplify right side
    143,135.10x = 9,298,922,063.36
  5. Step 5: Solve for x
    x = 9,298,922,063.36/143,135.10
  6. Step 6: Final answer
    x = 64,966.05

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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.