Home / 133,149.12-183,877.20-104,805.60

Finding the Fourth Proportional to 133,149.12, 183,877.20 and 104,805.60

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Solution

The fourth proportional to 133,149.12, 183,877.20 and 104,805.60 is: 144,735.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,149.12 : 183,877.20 = 104,805.60 : x
  2. Step 2: Convert to fraction form
    133,149.12/183,877.20 = 104,805.60/x
  3. Step 3: Cross multiply
    133,149.12x = 183,877.20 × 104,805.60
  4. Step 4: Simplify right side
    133,149.12x = 19,271,360,272.32
  5. Step 5: Solve for x
    x = 19,271,360,272.32/133,149.12
  6. Step 6: Final answer
    x = 144,735.17

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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.