Home / 143,589.26-215,383.93-64,611.23

Finding the Fourth Proportional to 143,589.26, 215,383.93 and 64,611.23

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Solution

The fourth proportional to 143,589.26, 215,383.93 and 64,611.23 is: 96,916.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,589.26 : 215,383.93 = 64,611.23 : x
  2. Step 2: Convert to fraction form
    143,589.26/215,383.93 = 64,611.23/x
  3. Step 3: Cross multiply
    143,589.26x = 215,383.93 × 64,611.23
  4. Step 4: Simplify right side
    143,589.26x = 13,916,219,401.09
  5. Step 5: Solve for x
    x = 13,916,219,401.09/143,589.26
  6. Step 6: Final answer
    x = 96,916.85

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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.