Home / 135,080.93-186,412.26-73,828.35

Finding the Fourth Proportional to 135,080.93, 186,412.26 and 73,828.35

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Solution

The fourth proportional to 135,080.93, 186,412.26 and 73,828.35 is: 101,883.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,080.93 : 186,412.26 = 73,828.35 : x
  2. Step 2: Convert to fraction form
    135,080.93/186,412.26 = 73,828.35/x
  3. Step 3: Cross multiply
    135,080.93x = 186,412.26 × 73,828.35
  4. Step 4: Simplify right side
    135,080.93x = 13,762,509,437.14
  5. Step 5: Solve for x
    x = 13,762,509,437.14/135,080.93
  6. Step 6: Final answer
    x = 101,883.44

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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.