Home / 155,418.41-214,362.60-107,035.71

Finding the Fourth Proportional to 155,418.41, 214,362.60 and 107,035.71

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Solution

The fourth proportional to 155,418.41, 214,362.60 and 107,035.71 is: 147,630.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,418.41 : 214,362.60 = 107,035.71 : x
  2. Step 2: Convert to fraction form
    155,418.41/214,362.60 = 107,035.71/x
  3. Step 3: Cross multiply
    155,418.41x = 214,362.60 × 107,035.71
  4. Step 4: Simplify right side
    155,418.41x = 22,944,453,088.45
  5. Step 5: Solve for x
    x = 22,944,453,088.45/155,418.41
  6. Step 6: Final answer
    x = 147,630.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.