Home / 154,493.79-231,334.65-124,347.60

Finding the Fourth Proportional to 154,493.79, 231,334.65 and 124,347.60

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Solution

The fourth proportional to 154,493.79, 231,334.65 and 124,347.60 is: 186,194.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,493.79 : 231,334.65 = 124,347.60 : x
  2. Step 2: Convert to fraction form
    154,493.79/231,334.65 = 124,347.60/x
  3. Step 3: Cross multiply
    154,493.79x = 231,334.65 × 124,347.60
  4. Step 4: Simplify right side
    154,493.79x = 28,765,908,524.34
  5. Step 5: Solve for x
    x = 28,765,908,524.34/154,493.79
  6. Step 6: Final answer
    x = 186,194.59

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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.