Home / 171,975.81-258,307.50-103,723.80

Finding the Fourth Proportional to 171,975.81, 258,307.50 and 103,723.80

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Solution

The fourth proportional to 171,975.81, 258,307.50 and 103,723.80 is: 155,793.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,975.81 : 258,307.50 = 103,723.80 : x
  2. Step 2: Convert to fraction form
    171,975.81/258,307.50 = 103,723.80/x
  3. Step 3: Cross multiply
    171,975.81x = 258,307.50 × 103,723.80
  4. Step 4: Simplify right side
    171,975.81x = 26,792,635,468.50
  5. Step 5: Solve for x
    x = 26,792,635,468.50/171,975.81
  6. Step 6: Final answer
    x = 155,793.05

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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.