Home / 115,314.74-172,993.02-52,164.61

Finding the Fourth Proportional to 115,314.74, 172,993.02 and 52,164.61

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Solution

The fourth proportional to 115,314.74, 172,993.02 and 52,164.61 is: 78,256.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,314.74 : 172,993.02 = 52,164.61 : x
  2. Step 2: Convert to fraction form
    115,314.74/172,993.02 = 52,164.61/x
  3. Step 3: Cross multiply
    115,314.74x = 172,993.02 × 52,164.61
  4. Step 4: Simplify right side
    115,314.74x = 9,024,112,792.92
  5. Step 5: Solve for x
    x = 9,024,112,792.92/115,314.74
  6. Step 6: Final answer
    x = 78,256.37

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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.