Home / 259,521.78-358,140.12-146,344.56

Finding the Fourth Proportional to 259,521.78, 358,140.12 and 146,344.56

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Solution

The fourth proportional to 259,521.78, 358,140.12 and 146,344.56 is: 201,955.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,521.78 : 358,140.12 = 146,344.56 : x
  2. Step 2: Convert to fraction form
    259,521.78/358,140.12 = 146,344.56/x
  3. Step 3: Cross multiply
    259,521.78x = 358,140.12 × 146,344.56
  4. Step 4: Simplify right side
    259,521.78x = 52,411,858,279.75
  5. Step 5: Solve for x
    x = 52,411,858,279.75/259,521.78
  6. Step 6: Final answer
    x = 201,955.53

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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.