Home / 175,428.40-263,142.60-112,442.80

Finding the Fourth Proportional to 175,428.40, 263,142.60 and 112,442.80

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Solution

The fourth proportional to 175,428.40, 263,142.60 and 112,442.80 is: 168,664.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,428.40 : 263,142.60 = 112,442.80 : x
  2. Step 2: Convert to fraction form
    175,428.40/263,142.60 = 112,442.80/x
  3. Step 3: Cross multiply
    175,428.40x = 263,142.60 × 112,442.80
  4. Step 4: Simplify right side
    175,428.40x = 29,588,490,743.28
  5. Step 5: Solve for x
    x = 29,588,490,743.28/175,428.40
  6. Step 6: Final answer
    x = 168,664.20

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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.