Home / 154,010.48-231,015.54-112,156.88

Finding the Fourth Proportional to 154,010.48, 231,015.54 and 112,156.88

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Solution

The fourth proportional to 154,010.48, 231,015.54 and 112,156.88 is: 168,235.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,010.48 : 231,015.54 = 112,156.88 : x
  2. Step 2: Convert to fraction form
    154,010.48/231,015.54 = 112,156.88/x
  3. Step 3: Cross multiply
    154,010.48x = 231,015.54 × 112,156.88
  4. Step 4: Simplify right side
    154,010.48x = 25,909,982,197.92
  5. Step 5: Solve for x
    x = 25,909,982,197.92/154,010.48
  6. Step 6: Final answer
    x = 168,235.19

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1.5x scale

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.