Home / 172,580.43-238,069.65-118,772.03

Finding the Fourth Proportional to 172,580.43, 238,069.65 and 118,772.03

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Solution

The fourth proportional to 172,580.43, 238,069.65 and 118,772.03 is: 163,842.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,580.43 : 238,069.65 = 118,772.03 : x
  2. Step 2: Convert to fraction form
    172,580.43/238,069.65 = 118,772.03/x
  3. Step 3: Cross multiply
    172,580.43x = 238,069.65 × 118,772.03
  4. Step 4: Simplify right side
    172,580.43x = 28,276,015,611.89
  5. Step 5: Solve for x
    x = 28,276,015,611.89/172,580.43
  6. Step 6: Final answer
    x = 163,842.54

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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.