Home / 154,010.40-231,024.24-145,632.48

Finding the Fourth Proportional to 154,010.40, 231,024.24 and 145,632.48

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Solution

The fourth proportional to 154,010.40, 231,024.24 and 145,632.48 is: 218,456.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,010.40 : 231,024.24 = 145,632.48 : x
  2. Step 2: Convert to fraction form
    154,010.40/231,024.24 = 145,632.48/x
  3. Step 3: Cross multiply
    154,010.40x = 231,024.24 × 145,632.48
  4. Step 4: Simplify right side
    154,010.40x = 33,644,633,011.32
  5. Step 5: Solve for x
    x = 33,644,633,011.32/154,010.40
  6. Step 6: Final answer
    x = 218,456.89

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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.