Home / 143,493.58-215,194.65-52,297.62

Finding the Fourth Proportional to 143,493.58, 215,194.65 and 52,297.62

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Solution

The fourth proportional to 143,493.58, 215,194.65 and 52,297.62 is: 78,429.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,493.58 : 215,194.65 = 52,297.62 : x
  2. Step 2: Convert to fraction form
    143,493.58/215,194.65 = 52,297.62/x
  3. Step 3: Cross multiply
    143,493.58x = 215,194.65 × 52,297.62
  4. Step 4: Simplify right side
    143,493.58x = 11,254,168,031.73
  5. Step 5: Solve for x
    x = 11,254,168,031.73/143,493.58
  6. Step 6: Final answer
    x = 78,429.77

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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.