Home / 214,403.06-295,890.45-118,913.78

Finding the Fourth Proportional to 214,403.06, 295,890.45 and 118,913.78

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Solution

The fourth proportional to 214,403.06, 295,890.45 and 118,913.78 is: 164,108.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,403.06 : 295,890.45 = 118,913.78 : x
  2. Step 2: Convert to fraction form
    214,403.06/295,890.45 = 118,913.78/x
  3. Step 3: Cross multiply
    214,403.06x = 295,890.45 × 118,913.78
  4. Step 4: Simplify right side
    214,403.06x = 35,185,451,875.40
  5. Step 5: Solve for x
    x = 35,185,451,875.40/214,403.06
  6. Step 6: Final answer
    x = 164,108.91

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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.