Home / 163,605.60-225,771.84-107,015.76

Finding the Fourth Proportional to 163,605.60, 225,771.84 and 107,015.76

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Solution

The fourth proportional to 163,605.60, 225,771.84 and 107,015.76 is: 147,679.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,605.60 : 225,771.84 = 107,015.76 : x
  2. Step 2: Convert to fraction form
    163,605.60/225,771.84 = 107,015.76/x
  3. Step 3: Cross multiply
    163,605.60x = 225,771.84 × 107,015.76
  4. Step 4: Simplify right side
    163,605.60x = 24,161,145,044.20
  5. Step 5: Solve for x
    x = 24,161,145,044.20/163,605.60
  6. Step 6: Final answer
    x = 147,679.21

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1.5x scale

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.