Home / 134,720.52-185,926.74-77,367.36

Finding the Fourth Proportional to 134,720.52, 185,926.74 and 77,367.36

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Solution

The fourth proportional to 134,720.52, 185,926.74 and 77,367.36 is: 106,774.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,720.52 : 185,926.74 = 77,367.36 : x
  2. Step 2: Convert to fraction form
    134,720.52/185,926.74 = 77,367.36/x
  3. Step 3: Cross multiply
    134,720.52x = 185,926.74 × 77,367.36
  4. Step 4: Simplify right side
    134,720.52x = 14,384,661,027.21
  5. Step 5: Solve for x
    x = 14,384,661,027.21/134,720.52
  6. Step 6: Final answer
    x = 106,774.09

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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.