Home / 115,288.34-172,937.80-35,320.57

Finding the Fourth Proportional to 115,288.34, 172,937.80 and 35,320.57

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Solution

The fourth proportional to 115,288.34, 172,937.80 and 35,320.57 is: 52,982.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,288.34 : 172,937.80 = 35,320.57 : x
  2. Step 2: Convert to fraction form
    115,288.34/172,937.80 = 35,320.57/x
  3. Step 3: Cross multiply
    115,288.34x = 172,937.80 × 35,320.57
  4. Step 4: Simplify right side
    115,288.34x = 6,108,261,282.35
  5. Step 5: Solve for x
    x = 6,108,261,282.35/115,288.34
  6. Step 6: Final answer
    x = 52,982.47

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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.