Home / 238,900.10-357,956.29-138,779.24

Finding the Fourth Proportional to 238,900.10, 357,956.29 and 138,779.24

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Solution

The fourth proportional to 238,900.10, 357,956.29 and 138,779.24 is: 207,940.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,900.10 : 357,956.29 = 138,779.24 : x
  2. Step 2: Convert to fraction form
    238,900.10/357,956.29 = 138,779.24/x
  3. Step 3: Cross multiply
    238,900.10x = 357,956.29 × 138,779.24
  4. Step 4: Simplify right side
    238,900.10x = 49,676,902,427.36
  5. Step 5: Solve for x
    x = 49,676,902,427.36/238,900.10
  6. Step 6: Final answer
    x = 207,940.06

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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.