Home / 154,260.43-231,419.61-70,026.50

Finding the Fourth Proportional to 154,260.43, 231,419.61 and 70,026.50

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Solution

The fourth proportional to 154,260.43, 231,419.61 and 70,026.50 is: 105,052.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,260.43 : 231,419.61 = 70,026.50 : x
  2. Step 2: Convert to fraction form
    154,260.43/231,419.61 = 70,026.50/x
  3. Step 3: Cross multiply
    154,260.43x = 231,419.61 × 70,026.50
  4. Step 4: Simplify right side
    154,260.43x = 16,205,505,635.61
  5. Step 5: Solve for x
    x = 16,205,505,635.61/154,260.43
  6. Step 6: Final answer
    x = 105,052.90

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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.