Home / 148,388.15-204,684.67-121,203.74

Finding the Fourth Proportional to 148,388.15, 204,684.67 and 121,203.74

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Solution

The fourth proportional to 148,388.15, 204,684.67 and 121,203.74 is: 167,186.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,388.15 : 204,684.67 = 121,203.74 : x
  2. Step 2: Convert to fraction form
    148,388.15/204,684.67 = 121,203.74/x
  3. Step 3: Cross multiply
    148,388.15x = 204,684.67 × 121,203.74
  4. Step 4: Simplify right side
    148,388.15x = 24,808,548,187.88
  5. Step 5: Solve for x
    x = 24,808,548,187.88/148,388.15
  6. Step 6: Final answer
    x = 167,186.85

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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.