Home / 154,260.14-231,331.81-84,101.26

Finding the Fourth Proportional to 154,260.14, 231,331.81 and 84,101.26

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Solution

The fourth proportional to 154,260.14, 231,331.81 and 84,101.26 is: 126,120.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,260.14 : 231,331.81 = 84,101.26 : x
  2. Step 2: Convert to fraction form
    154,260.14/231,331.81 = 84,101.26/x
  3. Step 3: Cross multiply
    154,260.14x = 231,331.81 × 84,101.26
  4. Step 4: Simplify right side
    154,260.14x = 19,455,296,699.08
  5. Step 5: Solve for x
    x = 19,455,296,699.08/154,260.14
  6. Step 6: Final answer
    x = 126,120.05

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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.