Home / 172,559.50-258,494.63-137,080.89

Finding the Fourth Proportional to 172,559.50, 258,494.63 and 137,080.89

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Solution

The fourth proportional to 172,559.50, 258,494.63 and 137,080.89 is: 205,347.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,559.50 : 258,494.63 = 137,080.89 : x
  2. Step 2: Convert to fraction form
    172,559.50/258,494.63 = 137,080.89/x
  3. Step 3: Cross multiply
    172,559.50x = 258,494.63 × 137,080.89
  4. Step 4: Simplify right side
    172,559.50x = 35,434,673,255.22
  5. Step 5: Solve for x
    x = 35,434,673,255.22/172,559.50
  6. Step 6: Final answer
    x = 205,347.57

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1.5x scale

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.