Home / 258,674.04-356,967.58-143,950.72

Finding the Fourth Proportional to 258,674.04, 356,967.58 and 143,950.72

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Solution

The fourth proportional to 258,674.04, 356,967.58 and 143,950.72 is: 198,650.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,674.04 : 356,967.58 = 143,950.72 : x
  2. Step 2: Convert to fraction form
    258,674.04/356,967.58 = 143,950.72/x
  3. Step 3: Cross multiply
    258,674.04x = 356,967.58 × 143,950.72
  4. Step 4: Simplify right side
    258,674.04x = 51,385,740,157.66
  5. Step 5: Solve for x
    x = 51,385,740,157.66/258,674.04
  6. Step 6: Final answer
    x = 198,650.55

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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.