Home / 205,051.20-307,576.80-167,726.40

Finding the Fourth Proportional to 205,051.20, 307,576.80 and 167,726.40

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Solution

The fourth proportional to 205,051.20, 307,576.80 and 167,726.40 is: 251,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,051.20 : 307,576.80 = 167,726.40 : x
  2. Step 2: Convert to fraction form
    205,051.20/307,576.80 = 167,726.40/x
  3. Step 3: Cross multiply
    205,051.20x = 307,576.80 × 167,726.40
  4. Step 4: Simplify right side
    205,051.20x = 51,588,749,387.52
  5. Step 5: Solve for x
    x = 51,588,749,387.52/205,051.20
  6. Step 6: Final answer
    x = 251,589.60

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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.