Home / 258,586.02-356,853.06-143,873.82

Finding the Fourth Proportional to 258,586.02, 356,853.06 and 143,873.82

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Solution

The fourth proportional to 258,586.02, 356,853.06 and 143,873.82 is: 198,548.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,586.02 : 356,853.06 = 143,873.82 : x
  2. Step 2: Convert to fraction form
    258,586.02/356,853.06 = 143,873.82/x
  3. Step 3: Cross multiply
    258,586.02x = 356,853.06 × 143,873.82
  4. Step 4: Simplify right side
    258,586.02x = 51,341,812,920.89
  5. Step 5: Solve for x
    x = 51,341,812,920.89/258,586.02
  6. Step 6: Final answer
    x = 198,548.29

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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.