Home / 104,186.82-143,777.67-56,440.36

Finding the Fourth Proportional to 104,186.82, 143,777.67 and 56,440.36

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Solution

The fourth proportional to 104,186.82, 143,777.67 and 56,440.36 is: 77,887.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,186.82 : 143,777.67 = 56,440.36 : x
  2. Step 2: Convert to fraction form
    104,186.82/143,777.67 = 56,440.36/x
  3. Step 3: Cross multiply
    104,186.82x = 143,777.67 × 56,440.36
  4. Step 4: Simplify right side
    104,186.82x = 8,114,863,422.83
  5. Step 5: Solve for x
    x = 8,114,863,422.83/104,186.82
  6. Step 6: Final answer
    x = 77,887.62

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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.