Home / 238,686.41-329,389.67-131,257.24

Finding the Fourth Proportional to 238,686.41, 329,389.67 and 131,257.24

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Solution

The fourth proportional to 238,686.41, 329,389.67 and 131,257.24 is: 181,136.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,686.41 : 329,389.67 = 131,257.24 : x
  2. Step 2: Convert to fraction form
    238,686.41/329,389.67 = 131,257.24/x
  3. Step 3: Cross multiply
    238,686.41x = 329,389.67 × 131,257.24
  4. Step 4: Simplify right side
    238,686.41x = 43,234,778,968.71
  5. Step 5: Solve for x
    x = 43,234,778,968.71/238,686.41
  6. Step 6: Final answer
    x = 181,136.32

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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.