Home / 143,493.75-215,207.73-42,265.62

Finding the Fourth Proportional to 143,493.75, 215,207.73 and 42,265.62

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Solution

The fourth proportional to 143,493.75, 215,207.73 and 42,265.62 is: 63,388.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,493.75 : 215,207.73 = 42,265.62 : x
  2. Step 2: Convert to fraction form
    143,493.75/215,207.73 = 42,265.62/x
  3. Step 3: Cross multiply
    143,493.75x = 215,207.73 × 42,265.62
  4. Step 4: Simplify right side
    143,493.75x = 9,095,888,137.24
  5. Step 5: Solve for x
    x = 9,095,888,137.24/143,493.75
  6. Step 6: Final answer
    x = 63,388.74

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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.