Home / 101,723.82-140,373.26-56,399.16

Finding the Fourth Proportional to 101,723.82, 140,373.26 and 56,399.16

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Solution

The fourth proportional to 101,723.82, 140,373.26 and 56,399.16 is: 77,827.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,723.82 : 140,373.26 = 56,399.16 : x
  2. Step 2: Convert to fraction form
    101,723.82/140,373.26 = 56,399.16/x
  3. Step 3: Cross multiply
    101,723.82x = 140,373.26 × 56,399.16
  4. Step 4: Simplify right side
    101,723.82x = 7,916,933,950.46
  5. Step 5: Solve for x
    x = 7,916,933,950.46/101,723.82
  6. Step 6: Final answer
    x = 77,827.73

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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.