Home / 155,788.17-214,982.60-98,458.25

Finding the Fourth Proportional to 155,788.17, 214,982.60 and 98,458.25

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Solution

The fourth proportional to 155,788.17, 214,982.60 and 98,458.25 is: 135,869.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,788.17 : 214,982.60 = 98,458.25 : x
  2. Step 2: Convert to fraction form
    155,788.17/214,982.60 = 98,458.25/x
  3. Step 3: Cross multiply
    155,788.17x = 214,982.60 × 98,458.25
  4. Step 4: Simplify right side
    155,788.17x = 21,166,809,009.25
  5. Step 5: Solve for x
    x = 21,166,809,009.25/155,788.17
  6. Step 6: Final answer
    x = 135,869.17

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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.