Home / 258,292.61-356,423.30-143,562.25

Finding the Fourth Proportional to 258,292.61, 356,423.30 and 143,562.25

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Solution

The fourth proportional to 258,292.61, 356,423.30 and 143,562.25 is: 198,104.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,292.61 : 356,423.30 = 143,562.25 : x
  2. Step 2: Convert to fraction form
    258,292.61/356,423.30 = 143,562.25/x
  3. Step 3: Cross multiply
    258,292.61x = 356,423.30 × 143,562.25
  4. Step 4: Simplify right side
    258,292.61x = 51,168,930,900.43
  5. Step 5: Solve for x
    x = 51,168,930,900.43/258,292.61
  6. Step 6: Final answer
    x = 198,104.51

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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.