Home / 134,422.83-185,481.80-77,051.59

Finding the Fourth Proportional to 134,422.83, 185,481.80 and 77,051.59

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Solution

The fourth proportional to 134,422.83, 185,481.80 and 77,051.59 is: 106,318.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,422.83 : 185,481.80 = 77,051.59 : x
  2. Step 2: Convert to fraction form
    134,422.83/185,481.80 = 77,051.59/x
  3. Step 3: Cross multiply
    134,422.83x = 185,481.80 × 77,051.59
  4. Step 4: Simplify right side
    134,422.83x = 14,291,668,537.32
  5. Step 5: Solve for x
    x = 14,291,668,537.32/134,422.83
  6. Step 6: Final answer
    x = 106,318.76

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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.