Home / 155,594.54-214,268.67-135,167.28

Finding the Fourth Proportional to 155,594.54, 214,268.67 and 135,167.28

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Solution

The fourth proportional to 155,594.54, 214,268.67 and 135,167.28 is: 186,138.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,594.54 : 214,268.67 = 135,167.28 : x
  2. Step 2: Convert to fraction form
    155,594.54/214,268.67 = 135,167.28/x
  3. Step 3: Cross multiply
    155,594.54x = 214,268.67 × 135,167.28
  4. Step 4: Simplify right side
    155,594.54x = 28,962,113,313.12
  5. Step 5: Solve for x
    x = 28,962,113,313.12/155,594.54
  6. Step 6: Final answer
    x = 186,138.37

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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.