Home / 258,598.54-356,834.98-143,848.20

Finding the Fourth Proportional to 258,598.54, 356,834.98 and 143,848.20

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Solution

The fourth proportional to 258,598.54, 356,834.98 and 143,848.20 is: 198,493.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,598.54 : 356,834.98 = 143,848.20 : x
  2. Step 2: Convert to fraction form
    258,598.54/356,834.98 = 143,848.20/x
  3. Step 3: Cross multiply
    258,598.54x = 356,834.98 × 143,848.20
  4. Step 4: Simplify right side
    258,598.54x = 51,330,071,087.98
  5. Step 5: Solve for x
    x = 51,330,071,087.98/258,598.54
  6. Step 6: Final answer
    x = 198,493.27

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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.