Home / 136,259.08-188,040.59-75,835.91

Finding the Fourth Proportional to 136,259.08, 188,040.59 and 75,835.91

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Solution

The fourth proportional to 136,259.08, 188,040.59 and 75,835.91 is: 104,655.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,259.08 : 188,040.59 = 75,835.91 : x
  2. Step 2: Convert to fraction form
    136,259.08/188,040.59 = 75,835.91/x
  3. Step 3: Cross multiply
    136,259.08x = 188,040.59 × 75,835.91
  4. Step 4: Simplify right side
    136,259.08x = 14,260,229,634.89
  5. Step 5: Solve for x
    x = 14,260,229,634.89/136,259.08
  6. Step 6: Final answer
    x = 104,655.26

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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.