Home / 155,330.03-214,097.06-109,949.78

Finding the Fourth Proportional to 155,330.03, 214,097.06 and 109,949.78

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Solution

The fourth proportional to 155,330.03, 214,097.06 and 109,949.78 is: 151,547.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,330.03 : 214,097.06 = 109,949.78 : x
  2. Step 2: Convert to fraction form
    155,330.03/214,097.06 = 109,949.78/x
  3. Step 3: Cross multiply
    155,330.03x = 214,097.06 × 109,949.78
  4. Step 4: Simplify right side
    155,330.03x = 23,539,923,025.41
  5. Step 5: Solve for x
    x = 23,539,923,025.41/155,330.03
  6. Step 6: Final answer
    x = 151,547.80

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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.