Home / 155,764.08-214,949.30-98,434.04

Finding the Fourth Proportional to 155,764.08, 214,949.30 and 98,434.04

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Solution

The fourth proportional to 155,764.08, 214,949.30 and 98,434.04 is: 135,835.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,764.08 : 214,949.30 = 98,434.04 : x
  2. Step 2: Convert to fraction form
    155,764.08/214,949.30 = 98,434.04/x
  3. Step 3: Cross multiply
    155,764.08x = 214,949.30 × 98,434.04
  4. Step 4: Simplify right side
    155,764.08x = 21,158,327,994.17
  5. Step 5: Solve for x
    x = 21,158,327,994.17/155,764.08
  6. Step 6: Final answer
    x = 135,835.73

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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.