Home / 258,182.04-356,290.50-143,460.21

Finding the Fourth Proportional to 258,182.04, 356,290.50 and 143,460.21

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Solution

The fourth proportional to 258,182.04, 356,290.50 and 143,460.21 is: 197,974.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,182.04 : 356,290.50 = 143,460.21 : x
  2. Step 2: Convert to fraction form
    258,182.04/356,290.50 = 143,460.21/x
  3. Step 3: Cross multiply
    258,182.04x = 356,290.50 × 143,460.21
  4. Step 4: Simplify right side
    258,182.04x = 51,113,509,951.01
  5. Step 5: Solve for x
    x = 51,113,509,951.01/258,182.04
  6. Step 6: Final answer
    x = 197,974.69

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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.