Home / 143,013.50-214,436.82-43,143.74

Finding the Fourth Proportional to 143,013.50, 214,436.82 and 43,143.74

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Solution

The fourth proportional to 143,013.50, 214,436.82 and 43,143.74 is: 64,690.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,013.50 : 214,436.82 = 43,143.74 : x
  2. Step 2: Convert to fraction form
    143,013.50/214,436.82 = 43,143.74/x
  3. Step 3: Cross multiply
    143,013.50x = 214,436.82 × 43,143.74
  4. Step 4: Simplify right side
    143,013.50x = 9,251,606,059.57
  5. Step 5: Solve for x
    x = 9,251,606,059.57/143,013.50
  6. Step 6: Final answer
    x = 64,690.44

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1.5x scale

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.