Home / 238,781.54-358,176.18-81,014.06

Finding the Fourth Proportional to 238,781.54, 358,176.18 and 81,014.06

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Solution

The fourth proportional to 238,781.54, 358,176.18 and 81,014.06 is: 121,522.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,781.54 : 358,176.18 = 81,014.06 : x
  2. Step 2: Convert to fraction form
    238,781.54/358,176.18 = 81,014.06/x
  3. Step 3: Cross multiply
    238,781.54x = 358,176.18 × 81,014.06
  4. Step 4: Simplify right side
    238,781.54x = 29,017,306,537.09
  5. Step 5: Solve for x
    x = 29,017,306,537.09/238,781.54
  6. Step 6: Final answer
    x = 121,522.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.