Home / 154,064.70-231,097.05-112,074.30

Finding the Fourth Proportional to 154,064.70, 231,097.05 and 112,074.30

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Solution

The fourth proportional to 154,064.70, 231,097.05 and 112,074.30 is: 168,111.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,064.70 : 231,097.05 = 112,074.30 : x
  2. Step 2: Convert to fraction form
    154,064.70/231,097.05 = 112,074.30/x
  3. Step 3: Cross multiply
    154,064.70x = 231,097.05 × 112,074.30
  4. Step 4: Simplify right side
    154,064.70x = 25,900,040,110.82
  5. Step 5: Solve for x
    x = 25,900,040,110.82/154,064.70
  6. Step 6: Final answer
    x = 168,111.45

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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.