Home / 112,365.20-168,612.60-42,294.80

Finding the Fourth Proportional to 112,365.20, 168,612.60 and 42,294.80

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Solution

The fourth proportional to 112,365.20, 168,612.60 and 42,294.80 is: 63,466.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,365.20 : 168,612.60 = 42,294.80 : x
  2. Step 2: Convert to fraction form
    112,365.20/168,612.60 = 42,294.80/x
  3. Step 3: Cross multiply
    112,365.20x = 168,612.60 × 42,294.80
  4. Step 4: Simplify right side
    112,365.20x = 7,131,436,194.48
  5. Step 5: Solve for x
    x = 7,131,436,194.48/112,365.20
  6. Step 6: Final answer
    x = 63,466.59

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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.