Home / 250,949.86-346,311.39-137,779.90

Finding the Fourth Proportional to 250,949.86, 346,311.39 and 137,779.90

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Solution

The fourth proportional to 250,949.86, 346,311.39 and 137,779.90 is: 190,136.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,949.86 : 346,311.39 = 137,779.90 : x
  2. Step 2: Convert to fraction form
    250,949.86/346,311.39 = 137,779.90/x
  3. Step 3: Cross multiply
    250,949.86x = 346,311.39 × 137,779.90
  4. Step 4: Simplify right side
    250,949.86x = 47,714,748,683.06
  5. Step 5: Solve for x
    x = 47,714,748,683.06/250,949.86
  6. Step 6: Final answer
    x = 190,136.58

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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.