Home / 156,788.70-234,837.45-136,052.70

Finding the Fourth Proportional to 156,788.70, 234,837.45 and 136,052.70

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Solution

The fourth proportional to 156,788.70, 234,837.45 and 136,052.70 is: 203,779.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,788.70 : 234,837.45 = 136,052.70 : x
  2. Step 2: Convert to fraction form
    156,788.70/234,837.45 = 136,052.70/x
  3. Step 3: Cross multiply
    156,788.70x = 234,837.45 × 136,052.70
  4. Step 4: Simplify right side
    156,788.70x = 31,950,269,133.62
  5. Step 5: Solve for x
    x = 31,950,269,133.62/156,788.70
  6. Step 6: Final answer
    x = 203,779.16

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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.