Home / 155,440.40-233,160.60-118,115.60

Finding the Fourth Proportional to 155,440.40, 233,160.60 and 118,115.60

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Solution

The fourth proportional to 155,440.40, 233,160.60 and 118,115.60 is: 177,173.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,440.40 : 233,160.60 = 118,115.60 : x
  2. Step 2: Convert to fraction form
    155,440.40/233,160.60 = 118,115.60/x
  3. Step 3: Cross multiply
    155,440.40x = 233,160.60 × 118,115.60
  4. Step 4: Simplify right side
    155,440.40x = 27,539,904,165.36
  5. Step 5: Solve for x
    x = 27,539,904,165.36/155,440.40
  6. Step 6: Final answer
    x = 177,173.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.