Home / 259,758.23-358,464.83-145,030.23

Finding the Fourth Proportional to 259,758.23, 358,464.83 and 145,030.23

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Solution

The fourth proportional to 259,758.23, 358,464.83 and 145,030.23 is: 200,140.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,758.23 : 358,464.83 = 145,030.23 : x
  2. Step 2: Convert to fraction form
    259,758.23/358,464.83 = 145,030.23/x
  3. Step 3: Cross multiply
    259,758.23x = 358,464.83 × 145,030.23
  4. Step 4: Simplify right side
    259,758.23x = 51,988,236,016.66
  5. Step 5: Solve for x
    x = 51,988,236,016.66/259,758.23
  6. Step 6: Final answer
    x = 200,140.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.