Home / 124,975.80-172,476.82-71,277.64

Finding the Fourth Proportional to 124,975.80, 172,476.82 and 71,277.64

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Solution

The fourth proportional to 124,975.80, 172,476.82 and 71,277.64 is: 98,368.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,975.80 : 172,476.82 = 71,277.64 : x
  2. Step 2: Convert to fraction form
    124,975.80/172,476.82 = 71,277.64/x
  3. Step 3: Cross multiply
    124,975.80x = 172,476.82 × 71,277.64
  4. Step 4: Simplify right side
    124,975.80x = 12,293,740,684.30
  5. Step 5: Solve for x
    x = 12,293,740,684.30/124,975.80
  6. Step 6: Final answer
    x = 98,368.97

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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.