Home / 170,051.52-254,967.93-81,303.06

Finding the Fourth Proportional to 170,051.52, 254,967.93 and 81,303.06

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Solution

The fourth proportional to 170,051.52, 254,967.93 and 81,303.06 is: 121,902.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,051.52 : 254,967.93 = 81,303.06 : x
  2. Step 2: Convert to fraction form
    170,051.52/254,967.93 = 81,303.06/x
  3. Step 3: Cross multiply
    170,051.52x = 254,967.93 × 81,303.06
  4. Step 4: Simplify right side
    170,051.52x = 20,729,672,910.87
  5. Step 5: Solve for x
    x = 20,729,672,910.87/170,051.52
  6. Step 6: Final answer
    x = 121,902.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.