Home / 115,222.18-172,833.27-36,342.56

Finding the Fourth Proportional to 115,222.18, 172,833.27 and 36,342.56

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Solution

The fourth proportional to 115,222.18, 172,833.27 and 36,342.56 is: 54,513.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,222.18 : 172,833.27 = 36,342.56 : x
  2. Step 2: Convert to fraction form
    115,222.18/172,833.27 = 36,342.56/x
  3. Step 3: Cross multiply
    115,222.18x = 172,833.27 × 36,342.56
  4. Step 4: Simplify right side
    115,222.18x = 6,281,203,013.01
  5. Step 5: Solve for x
    x = 6,281,203,013.01/115,222.18
  6. Step 6: Final answer
    x = 54,513.84

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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.