Home / 172,579.93-238,068.96-118,771.53

Finding the Fourth Proportional to 172,579.93, 238,068.96 and 118,771.53

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Solution

The fourth proportional to 172,579.93, 238,068.96 and 118,771.53 is: 163,841.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,579.93 : 238,068.96 = 118,771.53 : x
  2. Step 2: Convert to fraction form
    172,579.93/238,068.96 = 118,771.53/x
  3. Step 3: Cross multiply
    172,579.93x = 238,068.96 × 118,771.53
  4. Step 4: Simplify right side
    172,579.93x = 28,275,814,122.41
  5. Step 5: Solve for x
    x = 28,275,814,122.41/172,579.93
  6. Step 6: Final answer
    x = 163,841.85

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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.