Home / 134,741.75-185,952.11-77,399.01

Finding the Fourth Proportional to 134,741.75, 185,952.11 and 77,399.01

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Solution

The fourth proportional to 134,741.75, 185,952.11 and 77,399.01 is: 106,815.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,741.75 : 185,952.11 = 77,399.01 : x
  2. Step 2: Convert to fraction form
    134,741.75/185,952.11 = 77,399.01/x
  3. Step 3: Cross multiply
    134,741.75x = 185,952.11 × 77,399.01
  4. Step 4: Simplify right side
    134,741.75x = 14,392,508,834.42
  5. Step 5: Solve for x
    x = 14,392,508,834.42/134,741.75
  6. Step 6: Final answer
    x = 106,815.51

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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.