Home / 174,421.80-261,632.70-172,578.60

Finding the Fourth Proportional to 174,421.80, 261,632.70 and 172,578.60

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Solution

The fourth proportional to 174,421.80, 261,632.70 and 172,578.60 is: 258,867.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,421.80 : 261,632.70 = 172,578.60 : x
  2. Step 2: Convert to fraction form
    174,421.80/261,632.70 = 172,578.60/x
  3. Step 3: Cross multiply
    174,421.80x = 261,632.70 × 172,578.60
  4. Step 4: Simplify right side
    174,421.80x = 45,152,205,080.22
  5. Step 5: Solve for x
    x = 45,152,205,080.22/174,421.80
  6. Step 6: Final answer
    x = 258,867.90

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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.