Home / 238,457.06-329,068.40-131,024.78

Finding the Fourth Proportional to 238,457.06, 329,068.40 and 131,024.78

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Solution

The fourth proportional to 238,457.06, 329,068.40 and 131,024.78 is: 180,812.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,457.06 : 329,068.40 = 131,024.78 : x
  2. Step 2: Convert to fraction form
    238,457.06/329,068.40 = 131,024.78/x
  3. Step 3: Cross multiply
    238,457.06x = 329,068.40 × 131,024.78
  4. Step 4: Simplify right side
    238,457.06x = 43,116,114,714.95
  5. Step 5: Solve for x
    x = 43,116,114,714.95/238,457.06
  6. Step 6: Final answer
    x = 180,812.91

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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.