Home / 238,705.95-329,407.63-131,275.97

Finding the Fourth Proportional to 238,705.95, 329,407.63 and 131,275.97

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Solution

The fourth proportional to 238,705.95, 329,407.63 and 131,275.97 is: 181,157.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,705.95 : 329,407.63 = 131,275.97 : x
  2. Step 2: Convert to fraction form
    238,705.95/329,407.63 = 131,275.97/x
  3. Step 3: Cross multiply
    238,705.95x = 329,407.63 × 131,275.97
  4. Step 4: Simplify right side
    238,705.95x = 43,243,306,152.13
  5. Step 5: Solve for x
    x = 43,243,306,152.13/238,705.95
  6. Step 6: Final answer
    x = 181,157.22

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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.