Home / 115,211.88-172,801.38-36,315.84

Finding the Fourth Proportional to 115,211.88, 172,801.38 and 36,315.84

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Solution

The fourth proportional to 115,211.88, 172,801.38 and 36,315.84 is: 54,468.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,211.88 : 172,801.38 = 36,315.84 : x
  2. Step 2: Convert to fraction form
    115,211.88/172,801.38 = 36,315.84/x
  3. Step 3: Cross multiply
    115,211.88x = 172,801.38 × 36,315.84
  4. Step 4: Simplify right side
    115,211.88x = 6,275,427,267.86
  5. Step 5: Solve for x
    x = 6,275,427,267.86/115,211.88
  6. Step 6: Final answer
    x = 54,468.58

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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.