Home / 148,832.13-205,392.05-80,849.10

Finding the Fourth Proportional to 148,832.13, 205,392.05 and 80,849.10

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Solution

The fourth proportional to 148,832.13, 205,392.05 and 80,849.10 is: 111,573.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,832.13 : 205,392.05 = 80,849.10 : x
  2. Step 2: Convert to fraction form
    148,832.13/205,392.05 = 80,849.10/x
  3. Step 3: Cross multiply
    148,832.13x = 205,392.05 × 80,849.10
  4. Step 4: Simplify right side
    148,832.13x = 16,605,762,389.66
  5. Step 5: Solve for x
    x = 16,605,762,389.66/148,832.13
  6. Step 6: Final answer
    x = 111,573.77

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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.