Home / 169,939.12-254,759.64-64,688.08

Finding the Fourth Proportional to 169,939.12, 254,759.64 and 64,688.08

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Solution

The fourth proportional to 169,939.12, 254,759.64 and 64,688.08 is: 96,975.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,939.12 : 254,759.64 = 64,688.08 : x
  2. Step 2: Convert to fraction form
    169,939.12/254,759.64 = 64,688.08/x
  3. Step 3: Cross multiply
    169,939.12x = 254,759.64 × 64,688.08
  4. Step 4: Simplify right side
    169,939.12x = 16,479,911,973.09
  5. Step 5: Solve for x
    x = 16,479,911,973.09/169,939.12
  6. Step 6: Final answer
    x = 96,975.39

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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.