Home / 148,620.96-204,921.36-121,664.16

Finding the Fourth Proportional to 148,620.96, 204,921.36 and 121,664.16

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Solution

The fourth proportional to 148,620.96, 204,921.36 and 121,664.16 is: 167,752.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,620.96 : 204,921.36 = 121,664.16 : x
  2. Step 2: Convert to fraction form
    148,620.96/204,921.36 = 121,664.16/x
  3. Step 3: Cross multiply
    148,620.96x = 204,921.36 × 121,664.16
  4. Step 4: Simplify right side
    148,620.96x = 24,931,585,130.46
  5. Step 5: Solve for x
    x = 24,931,585,130.46/148,620.96
  6. Step 6: Final answer
    x = 167,752.82

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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.