Home / 104,185.44-143,775.54-56,438.82

Finding the Fourth Proportional to 104,185.44, 143,775.54 and 56,438.82

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Solution

The fourth proportional to 104,185.44, 143,775.54 and 56,438.82 is: 77,885.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,185.44 : 143,775.54 = 56,438.82 : x
  2. Step 2: Convert to fraction form
    104,185.44/143,775.54 = 56,438.82/x
  3. Step 3: Cross multiply
    104,185.44x = 143,775.54 × 56,438.82
  4. Step 4: Simplify right side
    104,185.44x = 8,114,521,822.46
  5. Step 5: Solve for x
    x = 8,114,521,822.46/104,185.44
  6. Step 6: Final answer
    x = 77,885.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.